diff --git a/www/lib/CoreLibs/Convert/Color/CieXyz.php b/www/lib/CoreLibs/Convert/Color/CieXyz.php
index 2dbd1253..8651a7dd 100644
--- a/www/lib/CoreLibs/Convert/Color/CieXyz.php
+++ b/www/lib/CoreLibs/Convert/Color/CieXyz.php
@@ -83,7 +83,7 @@ class CieXyz
 	}
 
 	/**
-	 * Undocumented function
+	 * Convert from oklab to cie lab
 	 *
 	 * @param  Lab $lab
 	 * @return Lab
@@ -98,7 +98,7 @@ class CieXyz
 	}
 
 	/**
-	 * Undocumented function
+	 * Convert from cie lab to oklab
 	 *
 	 * @param  Lab $lab
 	 * @return Lab
@@ -122,14 +122,14 @@ class CieXyz
 	 */
 	private static function xyzD65ToXyzD50(XYZ $xyz): XYZ
 	{
-		return XYZ::__constructFromArray(Math::multiplyMatrices(
+		return new XYZ(Math::multiplyMatrices(
 			a: [
 				[1.0479298208405488, 0.022946793341019088, -0.05019222954313557],
 				[0.029627815688159344, 0.990434484573249, -0.01707382502938514],
 				[-0.009243058152591178, 0.015055144896577895, 0.7518742899580008],
 			],
 			b: $xyz->returnAsArray(),
-		), whitepoint: 'D50');
+		), options: ["whitepoint" => 'D50']);
 	}
 
 	/**
@@ -140,14 +140,14 @@ class CieXyz
 	 */
 	private static function xyzD50ToXyxD65(XYZ $xyz): XYZ
 	{
-		return XYZ::__constructFromArray(Math::multiplyMatrices(
+		return new XYZ(Math::multiplyMatrices(
 			a: [
 				[0.9554734527042182, -0.023098536874261423, 0.0632593086610217],
 				[-0.028369706963208136, 1.0099954580058226, 0.021041398966943008],
 				[0.012314001688319899, -0.020507696433477912, 1.3303659366080753],
 			],
 			b: $xyz->returnAsArray()
-		), whitepoint: 'D65');
+		), options: ["whitepoint" => 'D65']);
 	}
 
 	// MARK: xyzD50 <-> Lab
@@ -184,7 +184,7 @@ class CieXyz
 			$_xyz,
 		);
 
-		return Lab::__constructFromArray([
+		return new Lab([
 			(116 * $f[1]) - 16,
 			500 * ($f[0] - $f[1]),
 			200 * ($f[1] - $f[2]),
@@ -227,13 +227,13 @@ class CieXyz
 			(1.0 - 0.3457 - 0.3585) / 0.3585,
 		];
 
-		return XYZ::__constructFromArray(
+		return new XYZ(
 			array_map(
 				fn ($k, $v) => $v * $d50[$k],
 				array_keys($xyz),
 				array_values($xyz),
 			),
-			whitepoint: 'D50'
+			options: ["whitepoint" => 'D50']
 		);
 	}
 
@@ -252,14 +252,14 @@ class CieXyz
 		if (!$rgb->linear) {
 			$rgb->toLinear();
 		}
-		return XYZ::__constructFromArray(Math::multiplyMatrices(
+		return new XYZ(Math::multiplyMatrices(
 			[
 				[0.41239079926595934, 0.357584339383878, 0.1804807884018343],
 				[0.21263900587151027, 0.715168678767756, 0.07219231536073371],
 				[0.01933081871559182, 0.11919477979462598, 0.9505321522496607],
 			],
 			$rgb->returnAsArray()
-		), whitepoint: 'D65');
+		), options: ["whitepoint" => 'D65']);
 	}
 
 	/**
@@ -271,14 +271,14 @@ class CieXyz
 	private static function xyzD65ToLinRgb(XYZ $xyz): RGB
 	{
 		// xyz D65 to linrgb
-		return RGB::__constructFromArray(Math::multiplyMatrices(
+		return new RGB(Math::multiplyMatrices(
 			a : [
 				[  3.2409699419045226,  -1.537383177570094,   -0.4986107602930034  ],
 				[ -0.9692436362808796,   1.8759675015077202,   0.04155505740717559 ],
 				[  0.05563007969699366, -0.20397695888897652,  1.0569715142428786  ],
 			],
 			b : $xyz->returnAsArray()
-		), linear: true);
+		), options: ["linear" => true]);
 	}
 
 	// MARK: xyzD65 <-> OkLab
@@ -291,7 +291,7 @@ class CieXyz
 	 */
 	private static function xyzD65ToOkLab(XYZ $xyz): Lab
 	{
-		return Lab::__constructFromArray(Math::multiplyMatrices(
+		return new Lab(Math::multiplyMatrices(
 			[
 				[0.2104542553, 0.7936177850, -0.0040720468],
 				[1.9779984951, -2.4285922050, 0.4505937099],
@@ -319,7 +319,7 @@ class CieXyz
 	 */
 	private static function okLabToXyzD65(Lab $lab): XYZ
 	{
-		return XYZ::__constructFromArray(Math::multiplyMatrices(
+		return new XYZ(Math::multiplyMatrices(
 			a: [
 					[1.2268798733741557, -0.5578149965554813, 0.28139105017721583],
 					[-0.04057576262431372, 1.1122868293970594, -0.07171106666151701],
@@ -337,7 +337,7 @@ class CieXyz
 					b: $lab->returnAsArray(),
 				),
 			),
-		), whitepoint: 'D65');
+		), options: ["whitepoint" => 'D65']);
 	}
 }
 
diff --git a/www/lib/CoreLibs/Convert/Color/Color.php b/www/lib/CoreLibs/Convert/Color/Color.php
index 49e6bd96..9dd2f063 100644
--- a/www/lib/CoreLibs/Convert/Color/Color.php
+++ b/www/lib/CoreLibs/Convert/Color/Color.php
@@ -109,7 +109,7 @@ class Color
 		// achromatic
 		if ($chroma == 0) {
 			// H, S, L
-			return HSL::__constructFromArray([
+			return new HSL([
 				0.0,
 				0.0,
 				$lum * 100,
@@ -128,7 +128,7 @@ class Color
 			}
 			$hue = $hue * 60;
 			// $sat = 1 - abs(2 * $lum - 1);
-			return HSL::__constructFromArray([
+			return new HSL([
 				$hue,
 				$sat * 100,
 				$lum * 100,
@@ -158,7 +158,7 @@ class Color
 		// if saturation is 0
 		if ($sat == 0) {
 			$lum = round($lum * 255);
-			return RGB::__constructFromArray([$lum, $lum, $lum]);
+			return new RGB([$lum, $lum, $lum]);
 		} else {
 			$m2 = $lum < 0.5 ? $lum * ($sat + 1) : ($lum + $sat) - ($lum * $sat);
 			$m1 = $lum * 2 - $m2;
@@ -180,7 +180,7 @@ class Color
 				return $m1;
 			};
 
-			return RGB::__constructFromArray([
+			return new RGB([
 				255 * $hueue($hue + (1 / 3)),
 				255 * $hueue($hue),
 				255 * $hueue($hue - (1 / 3)),
@@ -212,7 +212,7 @@ class Color
 
 		// achromatic
 		if ($MAX == $MIN) {
-			return HSB::__constructFromArray([0, 0, $MAX * 100]);
+			return new HSB([0, 0, $MAX * 100]);
 		}
 		if ($red == $MAX) {
 			$HUE = fmod(($green - $blue) / $DELTA, 6);
@@ -227,7 +227,7 @@ class Color
 			$HUE += 360;
 		}
 
-		return HSB::__constructFromArray([
+		return new HSB([
 			$HUE, // Hue
 			($DELTA / $MAX) * 100, // Saturation
 			$MAX * 100, // Brightness
@@ -255,7 +255,7 @@ class Color
 
 		if ($S == 0) {
 			$V = $V * 255;
-			return RGB::__constructFromArray([$V, $V, $V]);
+			return new RGB([$V, $V, $V]);
 		}
 
 		$Hi = floor($H / 60);
@@ -301,7 +301,7 @@ class Color
 				$blue = 0;
 		}
 
-		return RGB::__constructFromArray([
+		return new RGB([
 			$red * 255,
 			$green * 255,
 			$blue * 255,
@@ -365,7 +365,7 @@ class Color
 			0 :
 			200 * (1 - $lightness / $value);
 		$value *= 100;
-		return HSB::__constructFromArray([
+		return new HSB([
 			$hsl->H,
 			$saturation,
 			$value,
@@ -392,7 +392,7 @@ class Color
 			100 * ($value - $lightness) / min($lightness, 1 - $lightness)
 		;
 
-		return HSL::__constructFromArray([
+		return new HSL([
 			$hue,
 			$saturation,
 			$lightness * 100,
@@ -442,7 +442,7 @@ class Color
 	public static function hsbToHwb(HSB $hsb): HWB
 	{
 		// hsv\Hwb
-		return HWB::__constructFromArray([
+		return new HWB([
 			$hsb->H, // hue,
 			$hsb->B * (100 - $hsb->S) / 100, // 2: brightness, 1: saturation
 			100 - $hsb->B,
@@ -473,7 +473,7 @@ class Color
 			$value *= 100;
 		}
 
-		return HSB::__constructFromArray([
+		return new HSB([
 			$hue,
 			$saturation,
 			$value,
@@ -491,7 +491,7 @@ class Color
 	public static function labToLch(Lab $lab): LCH
 	{
 		// cieLab to cieLch
-		return LCH::__constructFromArray(self::__labToLch($lab), colorspace: 'CIELab');
+		return new LCH(self::__labToLch($lab), colorspace: 'CIELab');
 	}
 
 	/**
@@ -502,7 +502,7 @@ class Color
 	 */
 	public static function lchToLab(LCH $lch): Lab
 	{
-		return Lab::__constructFromArray(self::__lchToLab($lch), colorspace: 'CIELab');
+		return new Lab(self::__lchToLab($lch), colorspace: 'CIELab');
 	}
 
 	// MARK: OkLch <-> OkLab
@@ -516,7 +516,7 @@ class Color
 	public static function okLabToOkLch(Lab $lab): LCH
 	{
 		// okLab\toOkLch
-		return LCH::__constructFromArray(self::__labToLch($lab), colorspace: 'OkLab');
+		return new LCH(self::__labToLch($lab), colorspace: 'OkLab');
 	}
 
 	/**
@@ -529,7 +529,7 @@ class Color
 	{
 		// oklch/toOkLab
 		// oklch to oklab
-		return Lab::__constructFromArray(self::__lchToLab($lch), colorspace: 'OkLab');
+		return new Lab(self::__lchToLab($lch), colorspace: 'OkLab');
 	}
 
 	// MARK: rgb <-> oklab
diff --git a/www/lib/CoreLibs/Convert/Color/Coordinates/HSB.php b/www/lib/CoreLibs/Convert/Color/Coordinates/HSB.php
index 40a74dab..821fe010 100644
--- a/www/lib/CoreLibs/Convert/Color/Coordinates/HSB.php
+++ b/www/lib/CoreLibs/Convert/Color/Coordinates/HSB.php
@@ -11,7 +11,7 @@ declare(strict_types=1);
 
 namespace CoreLibs\Convert\Color\Coordinates;
 
-class HSB
+class HSB implements Interface\CoordinatesInterface
 {
 	/** @var array<string> allowed colorspaces */
 	private const COLORSPACES = ['sRGB'];
@@ -29,22 +29,43 @@ class HSB
 	/**
 	 * HSB (HSV) color coordinates
 	 * Hue/Saturation/Brightness or Value
+	 *
+	 * @param string|array{0:float,1:float,2:float} $colors
+	 * @param string $colorspace [default=sRGB]
+	 * @param array<string,string> $options [default=[]]
+	 * @throws \InvalidArgumentException only array colors allowed
 	 */
-	public function __construct()
+	public function __construct(string|array $colors, string $colorspace = 'sRGB', array $options = [])
 	{
+		if (!is_array($colors)) {
+			throw new \InvalidArgumentException('Only array colors allowed', 0);
+		}
+		$this->setColorspace($colorspace)->parseOptions($options)->setFromArray($colors);
 	}
 
 	/**
 	 * set from array
 	 * where 0: Hue, 1: Saturation, 2: Brightness
 	 *
-	 * @param  array{0:float,1:float,2:float} $colors
+	 * @param  string|array{0:float,1:float,2:float} $colors
 	 * @param  string $colorspace [default=sRGB]
+	 * @param  array<string,string> $options [default=[]]
 	 * @return self
 	 */
-	public static function __constructFromArray(array $colors, string $colorspace = 'sRGB'): self
+	public static function create(string|array $colors, string $colorspace = 'sRGB', array $options = []): self
 	{
-		return (new HSB())->setColorspace($colorspace)->setFromArray($colors);
+		return new HSB($colors, $colorspace, $options);
+	}
+
+	/**
+	 * parse options
+	 *
+	 * @param  array<string,string> $options
+	 * @return self
+	 */
+	private function parseOptions(array $options): self
+	{
+		return $this;
 	}
 
 	/**
@@ -54,7 +75,7 @@ class HSB
 	 * @param  float  $value
 	 * @return void
 	 */
-	public function __set(string $name, float $value): void
+	private function set(string $name, float $value): void
 	{
 		$name = strtoupper($name);
 		if (!property_exists($this, $name)) {
@@ -65,9 +86,9 @@ class HSB
 				if ((int)$value == 360) {
 					$value = 0;
 				}
-				if ((int)$value < 0 || (int)$value > 359) {
+				if ((int)$value < 0 || (int)$value > 360) {
 					throw new \LengthException(
-						'Argument value ' . $value . ' for hue is not in the range of 0 to 359',
+						'Argument value ' . $value . ' for hue is not in the range of 0 to 360',
 						1
 					);
 				}
@@ -98,7 +119,7 @@ class HSB
 	 * @param string $name
 	 * @return float
 	 */
-	public function __get(string $name): float
+	public function __get(string $name): float|string|bool
 	{
 		$name = strtoupper($name);
 		if (!property_exists($this, $name)) {
@@ -140,11 +161,11 @@ class HSB
 	 * @param  array{0:float,1:float,2:float} $colors
 	 * @return self
 	 */
-	public function setFromArray(array $colors): self
+	private function setFromArray(array $colors): self
 	{
-		$this->__set('H', $colors[0]);
-		$this->__set('S', $colors[1]);
-		$this->__set('B', $colors[2]);
+		$this->set('H', $colors[0]);
+		$this->set('S', $colors[1]);
+		$this->set('B', $colors[2]);
 		return $this;
 	}
 
diff --git a/www/lib/CoreLibs/Convert/Color/Coordinates/HSL.php b/www/lib/CoreLibs/Convert/Color/Coordinates/HSL.php
index 1b5b4ecc..64081e6e 100644
--- a/www/lib/CoreLibs/Convert/Color/Coordinates/HSL.php
+++ b/www/lib/CoreLibs/Convert/Color/Coordinates/HSL.php
@@ -13,7 +13,7 @@ namespace CoreLibs\Convert\Color\Coordinates;
 
 use CoreLibs\Convert\Color\Stringify;
 
-class HSL
+class HSL implements Interface\CoordinatesInterface
 {
 	/** @var array<string> allowed colorspaces */
 	private const COLORSPACES = ['sRGB'];
@@ -31,22 +31,43 @@ class HSL
 	/**
 	 * Color Coordinate HSL
 	 * Hue/Saturation/Lightness
+	 *
+	 * @param string|array{0:float,1:float,2:float} $colors
+	 * @param string $colorspace [default=sRGB]
+	 * @param array<string,string> $options [default=[]]
+	 * @throws \InvalidArgumentException only array colors allowed
 	 */
-	public function __construct()
+	public function __construct(string|array $colors, string $colorspace = 'sRGB', array $options = [])
 	{
+		if (!is_array($colors)) {
+			throw new \InvalidArgumentException('Only array colors allowed', 0);
+		}
+		$this->setColorspace($colorspace)->parseOptions($options)->setFromArray($colors);
 	}
 
 	/**
 	 * set from array
 	 * where 0: Hue, 1: Saturation, 2: Lightness
 	 *
-	 * @param  array{0:float,1:float,2:float} $colors
+	 * @param  string|array{0:float,1:float,2:float} $colors
 	 * @param  string $colorspace [default=sRGB]
+	 * @param  array<string,string> $options [default=[]]
 	 * @return self
 	 */
-	public static function __constructFromArray(array $colors, string $colorspace = 'sRGB'): self
+	public static function create(string|array $colors, string $colorspace = 'sRGB', array $options = []): self
 	{
-		return (new HSL())->setColorspace($colorspace)->setFromArray($colors);
+		return new HSL($colors, $colorspace, $options);
+	}
+
+	/**
+	 * parse options
+	 *
+	 * @param  array<string,string> $options
+	 * @return self
+	 */
+	private function parseOptions(array $options): self
+	{
+		return $this;
 	}
 
 	/**
@@ -56,7 +77,7 @@ class HSL
 	 * @param  float  $value
 	 * @return void
 	 */
-	public function __set(string $name, float $value): void
+	private function set(string $name, float $value): void
 	{
 		if (!property_exists($this, $name)) {
 			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
@@ -66,9 +87,9 @@ class HSL
 				if ((int)$value == 360) {
 					$value = 0;
 				}
-				if ((int)$value < 0 || (int)$value > 359) {
+				if ((int)$value < 0 || (int)$value > 360) {
 					throw new \LengthException(
-						'Argument value ' . $value . ' for hue is not in the range of 0 to 359',
+						'Argument value ' . $value . ' for hue is not in the range of 0 to 360',
 						1
 					);
 				}
@@ -84,7 +105,7 @@ class HSL
 			case 'L':
 				if ((int)$value < 0 || (int)$value > 100) {
 					throw new \LengthException(
-						'Argument value ' . $value . ' for luminance is not in the range of 0 to 100',
+						'Argument value ' . $value . ' for lightness is not in the range of 0 to 100',
 						3
 					);
 				}
@@ -99,7 +120,7 @@ class HSL
 	 * @param string $name
 	 * @return float
 	 */
-	public function __get(string $name): float
+	public function __get(string $name): float|string|bool
 	{
 		if (!property_exists($this, $name)) {
 			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
@@ -140,11 +161,11 @@ class HSL
 	 * @param  array{0:float,1:float,2:float} $colors
 	 * @return self
 	 */
-	public function setFromArray(array $colors): self
+	private function setFromArray(array $colors): self
 	{
-		$this->__set('H', $colors[0]);
-		$this->__set('S', $colors[1]);
-		$this->__set('L', $colors[2]);
+		$this->set('H', $colors[0]);
+		$this->set('S', $colors[1]);
+		$this->set('L', $colors[2]);
 		return $this;
 	}
 
diff --git a/www/lib/CoreLibs/Convert/Color/Coordinates/HWB.php b/www/lib/CoreLibs/Convert/Color/Coordinates/HWB.php
index 39999f41..0f1ce58f 100644
--- a/www/lib/CoreLibs/Convert/Color/Coordinates/HWB.php
+++ b/www/lib/CoreLibs/Convert/Color/Coordinates/HWB.php
@@ -13,7 +13,7 @@ namespace CoreLibs\Convert\Color\Coordinates;
 
 use CoreLibs\Convert\Color\Stringify;
 
-class HWB
+class HWB implements Interface\CoordinatesInterface
 {
 	/** @var array<string> allowed colorspaces */
 	private const COLORSPACES = ['sRGB'];
@@ -31,22 +31,43 @@ class HWB
 	/**
 	 * Color Coordinate: HWB
 	 * Hue/Whiteness/Blackness
+	 *
+	 * @param string|array{0:float,1:float,2:float} $colors
+	 * @param string $colorspace [default=sRGB]
+	 * @param array<string,string> $options [default=[]]
+	 * @throws \InvalidArgumentException only array colors allowed
 	 */
-	public function __construct()
+	public function __construct(string|array $colors, string $colorspace = 'sRGB', array $options = [])
 	{
+		if (!is_array($colors)) {
+			throw new \InvalidArgumentException('Only array colors allowed', 0);
+		}
+		$this->setColorspace($colorspace)->parseOptions($options)->setFromArray($colors);
 	}
 
 	/**
 	 * set from array
 	 * where 0: Hue, 1: Whiteness, 2: Blackness
 	 *
-	 * @param  array{0:float,1:float,2:float} $colors
+	 * @param  string|array{0:float,1:float,2:float} $colors
 	 * @param  string $colorspace [default=sRGB]
+	 * @param  array<string,string> $options [default=[]]
 	 * @return self
 	 */
-	public static function __constructFromArray(array $colors, string $colorspace = 'sRGB'): self
+	public static function create(string|array $colors, string $colorspace = 'sRGB', array $options = []): self
 	{
-		return (new HWB())->setColorspace($colorspace)->setFromArray($colors);
+		return new HWB($colors, $colorspace, $options);
+	}
+
+	/**
+	 * parse options
+	 *
+	 * @param  array<string,string> $options
+	 * @return self
+	 */
+	private function parseOptions(array $options): self
+	{
+		return $this;
 	}
 
 	/**
@@ -56,7 +77,7 @@ class HWB
 	 * @param  float  $value
 	 * @return void
 	 */
-	public function __set(string $name, float $value): void
+	private function set(string $name, float $value): void
 	{
 		if (!property_exists($this, $name)) {
 			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
@@ -76,7 +97,7 @@ class HWB
 			case 'W':
 				if ((int)$value < 0 || (int)$value > 100) {
 					throw new \LengthException(
-						'Argument value ' . $value . ' for saturation is not in the range of 0 to 100',
+						'Argument value ' . $value . ' for whiteness is not in the range of 0 to 100',
 						2
 					);
 				}
@@ -84,7 +105,7 @@ class HWB
 			case 'B':
 				if ((int)$value < 0 || (int)$value > 100) {
 					throw new \LengthException(
-						'Argument value ' . $value . ' for luminance is not in the range of 0 to 100',
+						'Argument value ' . $value . ' for blackness is not in the range of 0 to 100',
 						3
 					);
 				}
@@ -99,7 +120,7 @@ class HWB
 	 * @param string $name
 	 * @return float
 	 */
-	public function __get(string $name): float
+	public function __get(string $name): float|string|bool
 	{
 		if (!property_exists($this, $name)) {
 			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
@@ -140,11 +161,11 @@ class HWB
 	 * @param  array{0:float,1:float,2:float} $colors
 	 * @return self
 	 */
-	public function setFromArray(array $colors): self
+	private function setFromArray(array $colors): self
 	{
-		$this->__set('H', $colors[0]);
-		$this->__set('W', $colors[1]);
-		$this->__set('B', $colors[2]);
+		$this->set('H', $colors[0]);
+		$this->set('W', $colors[1]);
+		$this->set('B', $colors[2]);
 		return $this;
 	}
 
diff --git a/www/lib/CoreLibs/Convert/Color/Coordinates/Interface/CoordinatesInterface.php b/www/lib/CoreLibs/Convert/Color/Coordinates/Interface/CoordinatesInterface.php
new file mode 100644
index 00000000..72c056de
--- /dev/null
+++ b/www/lib/CoreLibs/Convert/Color/Coordinates/Interface/CoordinatesInterface.php
@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: Ymd
+ * DESCRIPTION:
+ * DescriptionHere
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\Convert\Color\Coordinates\Interface;
+
+interface CoordinatesInterface
+{
+	/**
+	 * create class via "Class::create()" call
+	 * was used for multiple create interfaces
+	 * no longer needed, use "new Class()" instead
+	 *
+	 * @param  string|array{0:float,1:float,2:float} $colors
+	 * @param  string $colorspace [default='']
+	 * @param  array<string,string|bool|int> $options [default=[]]
+	 * @return self
+	 */
+	public static function create(string|array $colors, string $colorspace = '', array $options = []): self;
+
+	/**
+	 * get color
+	 *
+	 * @param string $name
+	 * @return float
+	 */
+	public function __get(string $name): float|string|bool;
+
+	/**
+	 * Returns the color as array
+	 * where 0: Lightness, 1: a, 2: b
+	 *
+	 * @return array{0:float,1:float,2:float}
+	 */
+	public function returnAsArray(): array;
+
+	/**
+	 * Convert into css string with optional opacity
+	 *
+	 * @param  null|float|string|null $opacity
+	 * @return string
+	 */
+	public function toCssString(null|float|string $opacity = null): string;
+}
+
+// __END__
diff --git a/www/lib/CoreLibs/Convert/Color/Coordinates/LCH.php b/www/lib/CoreLibs/Convert/Color/Coordinates/LCH.php
index 872c597b..76b3ad69 100644
--- a/www/lib/CoreLibs/Convert/Color/Coordinates/LCH.php
+++ b/www/lib/CoreLibs/Convert/Color/Coordinates/LCH.php
@@ -14,7 +14,7 @@ namespace CoreLibs\Convert\Color\Coordinates;
 
 use CoreLibs\Convert\Color\Stringify;
 
-class LCH
+class LCH implements Interface\CoordinatesInterface
 {
 	/** @var array<string> allowed colorspaces */
 	private const COLORSPACES = ['OkLab', 'CIELab'];
@@ -42,22 +42,43 @@ class LCH
 	/**
 	 * Color Coordinate Lch
 	 * for oklch
+	 *
+	 * @param string|array{0:float,1:float,2:float} $colors
+	 * @param string $colorspace [default='']
+	 * @param array<string,string> $options [default=[]]
+	 * @throws \InvalidArgumentException only array colors allowed
 	 */
-	public function __construct()
+	public function __construct(string|array $colors, string $colorspace = '', array $options = [])
 	{
+		if (!is_array($colors)) {
+			throw new \InvalidArgumentException('Only array colors allowed', 0);
+		}
+		$this->setColorspace($colorspace)->parseOptions($options)->setFromArray($colors);
 	}
 
 	/**
 	 * set from array
 	 * where 0: Lightness, 1: Chroma, 2: Hue
 	 *
-	 * @param  array{0:float,1:float,2:float} $colors
-	 * @param  string $colorspace
+	 * @param  string|{0:float,1:float,2:float} $colors
+	 * @param  string $colorspace [default='']
+	 * @param  array<string,string> $options [default=[]]
 	 * @return self
 	 */
-	public static function __constructFromArray(array $colors, string $colorspace): self
+	public static function create(string|array $colors, string $colorspace = '', array $options = []): self
 	{
-		return (new LCH())->setColorspace($colorspace)->setFromArray($colors);
+		return new LCH($colors, $colorspace, $options);
+	}
+
+	/**
+	 * parse options
+	 *
+	 * @param  array<string,string> $options
+	 * @return self
+	 */
+	private function parseOptions(array $options): self
+	{
+		return $this;
 	}
 
 	/**
@@ -67,7 +88,7 @@ class LCH
 	 * @param  float  $value
 	 * @return void
 	 */
-	public function __set(string $name, float $value): void
+	private function set(string $name, float $value): void
 	{
 		if (!property_exists($this, $name)) {
 			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
@@ -124,7 +145,7 @@ class LCH
 	 * @param string $name
 	 * @return float
 	 */
-	public function __get(string $name): float
+	public function __get(string $name): float|string|bool
 	{
 		if (!property_exists($this, $name)) {
 			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
@@ -165,11 +186,11 @@ class LCH
 	 * @param  array{0:float,1:float,2:float} $colors
 	 * @return self
 	 */
-	public function setFromArray(array $colors): self
+	private function setFromArray(array $colors): self
 	{
-		$this->__set('L', $colors[0]);
-		$this->__set('C', $colors[1]);
-		$this->__set('H', $colors[2]);
+		$this->set('L', $colors[0]);
+		$this->set('C', $colors[1]);
+		$this->set('H', $colors[2]);
 		return $this;
 	}
 
diff --git a/www/lib/CoreLibs/Convert/Color/Coordinates/Lab.php b/www/lib/CoreLibs/Convert/Color/Coordinates/Lab.php
index 8e9f573a..1b475d5c 100644
--- a/www/lib/CoreLibs/Convert/Color/Coordinates/Lab.php
+++ b/www/lib/CoreLibs/Convert/Color/Coordinates/Lab.php
@@ -14,7 +14,7 @@ namespace CoreLibs\Convert\Color\Coordinates;
 
 use CoreLibs\Convert\Color\Stringify;
 
-class Lab
+class Lab implements Interface\CoordinatesInterface
 {
 	/** @var array<string> allowed colorspaces */
 	private const COLORSPACES = ['OkLab', 'CIELab'];
@@ -44,22 +44,43 @@ class Lab
 	/**
 	 * Color Coordinate: Lab
 	 * for oklab or cie
+	 *
+	 * @param string|array{0:float,1:float,2:float} $rgb
+	 * @param string $colorspace [default='']
+	 * @param array<string,string> $options [default=[]]
+	 * @throws \InvalidArgumentException only array colors allowed
 	 */
-	public function __construct()
+	public function __construct(string|array $colors, string $colorspace = '', array $options = [])
 	{
+		if (!is_array($colors)) {
+			throw new \InvalidArgumentException('Only array colors allowed', 0);
+		}
+		$this->setColorspace($colorspace)->parseOptions($options)->setFromArray($colors);
 	}
 
 	/**
 	 * set from array
 	 * where 0: Lightness, 1: a, 2: b
 	 *
-	 * @param  array{0:float,1:float,2:float} $rgb
-	 * @param  string $colorspace
+	 * @param array{0:float,1:float,2:float} $rgb
+	 * @param string $colorspace [default='']
+	 * @param array<string,string> $options [default=[]]
 	 * @return self
 	 */
-	public static function __constructFromArray(array $colors, string $colorspace): self
+	public static function create(string|array $colors, string $colorspace = '', array $options = []): self
 	{
-		return (new Lab())->setColorspace($colorspace)->setFromArray($colors);
+		return new Lab($colors, $colorspace, $options);
+	}
+
+	/**
+	 * parse options
+	 *
+	 * @param  array<string,string> $options
+	 * @return self
+	 */
+	private function parseOptions(array $options): self
+	{
+		return $this;
 	}
 
 	/**
@@ -69,7 +90,7 @@ class Lab
 	 * @param  float  $value
 	 * @return void
 	 */
-	public function __set(string $name, float $value): void
+	private function set(string $name, float $value): void
 	{
 		if (!property_exists($this, $name)) {
 			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
@@ -112,7 +133,7 @@ class Lab
 	 * @param string $name
 	 * @return float
 	 */
-	public function __get(string $name): float
+	public function __get(string $name): float|string|bool
 	{
 		if (!property_exists($this, $name)) {
 			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
@@ -153,11 +174,11 @@ class Lab
 	 * @param  array{0:float,1:float,2:float} $colors
 	 * @return self
 	 */
-	public function setFromArray(array $colors): self
+	private function setFromArray(array $colors): self
 	{
-		$this->__set('L', $colors[0]);
-		$this->__set('a', $colors[1]);
-		$this->__set('b', $colors[2]);
+		$this->set('L', $colors[0]);
+		$this->set('a', $colors[1]);
+		$this->set('b', $colors[2]);
 		return $this;
 	}
 
diff --git a/www/lib/CoreLibs/Convert/Color/Coordinates/RGB.php b/www/lib/CoreLibs/Convert/Color/Coordinates/RGB.php
index 17dbeb6c..474c37f1 100644
--- a/www/lib/CoreLibs/Convert/Color/Coordinates/RGB.php
+++ b/www/lib/CoreLibs/Convert/Color/Coordinates/RGB.php
@@ -13,7 +13,7 @@ namespace CoreLibs\Convert\Color\Coordinates;
 
 use CoreLibs\Convert\Color\Stringify;
 
-class RGB
+class RGB implements Interface\CoordinatesInterface
 {
 	/** @var array<string> allowed colorspaces */
 	private const COLORSPACES = ['sRGB'];
@@ -33,41 +33,48 @@ class RGB
 
 	/**
 	 * Color Coordinate RGB
+	*  @param array{0:float,1:float,2:float}|string $colors RGB color array or hex string
+	 * @param string $colorspace [default=sRGB]
+	 * @param array<string,bool> $options [default=[]] only "linear" allowed at the moment
 	 */
-	public function __construct()
+	public function __construct(string|array $colors, string $colorspace = 'sRGB', array $options = [])
 	{
+		$this->setColorspace($colorspace)->parseOptions($options);
+		if (is_array($colors)) {
+			$this->setFromArray($colors);
+		} else {
+			$this->setFromHex($colors);
+		}
 	}
 
 	/**
-	 * set from array
+	 * set from array or string
 	 * where 0: Red, 1: Green, 2: Blue
+	 * OR #ffffff or ffffff
 	 *
-	 * @param  array{0:float,1:float,2:float} $colors
+	 * @param  array{0:float,1:float,2:float}|string $colors RGB color array or hex string
 	 * @param  string $colorspace [default=sRGB]
-	 * @param  bool $linear [default=false]
+	 * @param  array<string,bool> $options [default=[]] only "linear" allowed at the moment
 	 * @return self
 	 */
-	public static function __constructFromArray(array $colors, string $colorspace = 'sRGB', bool $linear = false): self
+	public static function create(string|array $colors, string $colorspace = 'sRGB', array $options = []): self
 	{
-		return (new RGB())->setColorspace($colorspace)->flagLinear($linear)->setFromArray($colors);
+		return new RGB($colors, $colorspace, $options);
 	}
 
 	/**
-	 * Undocumented function
+	 * parse options
 	 *
-	 * @param  string $hex_string
-	 * @param  string $colorspace
-	 * @param  bool   $linear
+	 * @param  array<string,bool> $options
 	 * @return self
 	 */
-	public static function __constructFromHexString(
-		string $hex_string,
-		string $colorspace = 'sRGB',
-		bool $linear = false
-	): self {
-		return (new RGB())->setColorspace($colorspace)->flagLinear($linear)->setFromHex($hex_string);
+	private function parseOptions(array $options): self
+	{
+		$this->flagLinear($options['linear'] ?? false);
+		return $this;
 	}
 
+
 	/**
 	 * set color
 	 *
@@ -75,7 +82,7 @@ class RGB
 	 * @param  float  $value
 	 * @return void
 	 */
-	public function __set(string $name, float $value): void
+	private function set(string $name, float $value): void
 	{
 		// do not allow setting linear from outside
 		if ($name == 'linear') {
@@ -90,7 +97,7 @@ class RGB
 				. ' is not in the range of 0 to 255', 1);
 		} elseif ($this->linear && ((int)$value < 0 || (int)$value > 1)) {
 			throw new \LengthException('Argument value ' . $value . ' for color ' . $name
-				. ' is not in the range of 0 to 1 for linear rgb', 1);
+				. ' is not in the range of 0 to 1 for linear rgb', 2);
 		}
 		$this->$name = $value;
 	}
@@ -101,7 +108,7 @@ class RGB
 	 * @param string $name
 	 * @return float|bool
 	 */
-	public function __get(string $name): float|bool
+	public function __get(string $name): float|string|bool
 	{
 		if (!property_exists($this, $name)) {
 			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
@@ -142,11 +149,11 @@ class RGB
 	 * @param  array{0:float,1:float,2:float} $colors
 	 * @return self
 	 */
-	public function setFromArray(array $colors): self
+	private function setFromArray(array $colors): self
 	{
-		$this->__set('R', $colors[0]);
-		$this->__set('G', $colors[1]);
-		$this->__set('B', $colors[2]);
+		$this->set('R', $colors[0]);
+		$this->set('G', $colors[1]);
+		$this->set('B', $colors[2]);
 		return $this;
 	}
 
@@ -179,11 +186,11 @@ class RGB
 	 * @param  string $hex_string
 	 * @return self
 	 */
-	public function setFromHex(string $hex_string): self
+	private function setFromHex(string $hex_string): self
 	{
 		$hex_string = preg_replace("/[^0-9A-Fa-f]/", '', $hex_string); // Gets a proper hex string
-		if (!is_string($hex_string)) {
-			throw new \InvalidArgumentException('hex_string argument cannot be empty', 1);
+		if (empty($hex_string) || !is_string($hex_string)) {
+			throw new \InvalidArgumentException('hex_string argument cannot be empty', 3);
 		}
 		$rgbArray = [];
 		if (strlen($hex_string) == 6) {
@@ -204,7 +211,7 @@ class RGB
 			];
 		} else {
 			// Invalid hex color code
-			throw new \UnexpectedValueException('Invalid hex_string: ' . $hex_string, 2);
+			throw new \UnexpectedValueException('Invalid hex_string: ' . $hex_string, 4);
 		}
 		return $this->setFromArray($rgbArray);
 	}
diff --git a/www/lib/CoreLibs/Convert/Color/Coordinates/XYZ.php b/www/lib/CoreLibs/Convert/Color/Coordinates/XYZ.php
index 7c773ed9..01fb926d 100644
--- a/www/lib/CoreLibs/Convert/Color/Coordinates/XYZ.php
+++ b/www/lib/CoreLibs/Convert/Color/Coordinates/XYZ.php
@@ -15,7 +15,7 @@ declare(strict_types=1);
 
 namespace CoreLibs\Convert\Color\Coordinates;
 
-class XYZ
+class XYZ implements Interface\CoordinatesInterface
 {
 	/** @var array<string> allowed colorspaces */
 	private const COLORSPACES = ['CIEXYZ'];
@@ -35,34 +35,58 @@ class XYZ
 	/** @var string color space: either ok or cie */
 	private string $colorspace = '';
 
+	/** @var string illuminat white point: only D50 and D65 are allowed */
 	private string $whitepoint = '';
 
 	/**
 	 * Color Coordinate Lch
-	 * for oklch
+	 * for oklch conversion
+	 *
+	 * @param string|array{0:float,1:float,2:float} $colors
+	 * @param string $colorspace [default=CIEXYZ]
+	 * @param array<string,string> $options [default=[]] Only "whitepoint" option allowed
+	 * @throws \InvalidArgumentException only array colors allowed
 	 */
-	public function __construct()
-	{
+	public function __construct(
+		string|array $colors,
+		string $colorspace = 'CIEXYZ',
+		array $options = [],
+	) {
+		if (!is_array($colors)) {
+			throw new \InvalidArgumentException('Only array colors allowed', 0);
+		}
+		$this->setColorspace($colorspace)
+			->parseOptions($options)
+			->setFromArray($colors);
 	}
 
 	/**
 	 * set from array
 	 * where 0: X, 1: Y, 2: Z
 	 *
-	 * @param  array{0:float,1:float,2:float} $colors
-	 * @param  string $colorspace [default=CIEXYZ]
-	 * @param  string $whitepoint [default=''] only D65 or D50 allowed
+	 * @param array{0:float,1:float,2:float} $colors
+	 * @param string $colorspace [default=CIEXYZ]
+	 * @param array<string,string> $options [default=[]] Only "whitepoint" option allowed
 	 * @return self
 	 */
-	public static function __constructFromArray(
-		array $colors,
+	public static function create(
+		string|array $colors,
 		string $colorspace = 'CIEXYZ',
-		string $whitepoint = ''
+		array $options = [],
 	): self {
-		return (new XYZ())
-			->setColorspace($colorspace)
-			->setWhitepoint($whitepoint)
-			->setFromArray($colors);
+		return new XYZ($colors, $colorspace, $options);
+	}
+
+	/**
+	 * parse options
+	 *
+	 * @param  array<string,bool> $options
+	 * @return self
+	 */
+	private function parseOptions(array $options): self
+	{
+		$this->setWhitepoint($options['whitepoint'] ?? '');
+		return $this;
 	}
 
 	/**
@@ -72,7 +96,7 @@ class XYZ
 	 * @param  float  $value
 	 * @return void
 	 */
-	public function __set(string $name, float $value): void
+	private function set(string $name, float $value): void
 	{
 		if (!property_exists($this, $name)) {
 			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
@@ -90,7 +114,7 @@ class XYZ
 	 * @param string $name
 	 * @return float
 	 */
-	public function __get(string $name): float
+	public function __get(string $name): float|string|bool
 	{
 		if (!property_exists($this, $name)) {
 			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
@@ -150,13 +174,25 @@ class XYZ
 	 * @param  array{0:float,1:float,2:float} $colors
 	 * @return self
 	 */
-	public function setFromArray(array $colors): self
+	private function setFromArray(array $colors): self
 	{
-		$this->__set('X', $colors[0]);
-		$this->__set('Y', $colors[1]);
-		$this->__set('Z', $colors[2]);
+		$this->set('X', $colors[0]);
+		$this->set('Y', $colors[1]);
+		$this->set('Z', $colors[2]);
 		return $this;
 	}
+
+	/**
+	 * no hsb in css
+	 *
+	 * @param  float|string|null $opacity
+	 * @return string
+	 * @throws \ErrorException
+	 */
+	public function toCssString(null|float|string $opacity = null): string
+	{
+		throw new \ErrorException('XYZ is not available as CSS color string', 0);
+	}
 }
 
 // __END__
diff --git a/www/lib/CoreLibs/Convert/Colors.php b/www/lib/CoreLibs/Convert/Colors.php
index 96aaee12..f4b6f2eb 100644
--- a/www/lib/CoreLibs/Convert/Colors.php
+++ b/www/lib/CoreLibs/Convert/Colors.php
@@ -40,7 +40,7 @@ class Colors
 		int $blue,
 		bool $hex_prefix = true
 	): string {
-		return Coordinates\RGB::__constructFromArray([$red, $green, $blue])->returnAsHex($hex_prefix);
+		return (new Coordinates\RGB([$red, $green, $blue]))->returnAsHex($hex_prefix);
 	}
 
 	/**
@@ -61,7 +61,7 @@ class Colors
 	): string|array {
 		$rgbArray = [];
 		// rewrite to previous r/g/b key output
-		foreach (Coordinates\RGB::__constructFromHexString($hex_string)->returnAsArray() as $p => $el) {
+		foreach ((new Coordinates\RGB($hex_string))->returnAsArray() as $p => $el) {
 			switch ($p) {
 				case 0:
 					$k = 'r';
@@ -96,7 +96,7 @@ class Colors
 		return array_map(
 			fn ($v) => (int)round($v),
 			Color::rgbToHsb(
-				Coordinates\RGB::__constructFromArray([$red, $green, $blue])
+				new Coordinates\RGB([$red, $green, $blue])
 			)->returnAsArray()
 		);
 	}
@@ -117,7 +117,7 @@ class Colors
 		return array_map(
 			fn ($v) => (int)round($v),
 			Color::hsbToRgb(
-				Coordinates\HSB::__constructFromArray([$H, $S, $V])
+				new Coordinates\HSB([$H, $S, $V])
 			)->returnAsArray()
 		);
 	}
@@ -138,7 +138,7 @@ class Colors
 		return array_map(
 			fn ($v) => round($v, 1),
 			Color::rgbToHsl(
-				Coordinates\RGB::__constructFromArray([$red, $green, $blue])
+				new Coordinates\RGB([$red, $green, $blue])
 			)->returnAsArray()
 		);
 	}
@@ -158,7 +158,7 @@ class Colors
 		return array_map(
 			fn ($v) => round($v),
 			Color::hslToRgb(
-				Coordinates\HSL::__constructFromArray([$hue, $sat, $lum])
+				new Coordinates\HSL([$hue, $sat, $lum])
 			)->returnAsArray()
 		);
 	}