hslWerten

HSL values refer to a color representation based on Hue, Saturation and Lightness. Hue denotes the color type on the color wheel and is expressed as an angle from 0 to 360 degrees, where 0 (and 360) is red, 120 is green, and 240 is blue. Saturation controls color intensity, ranging from 0% (gray) to 100% (full color). Lightness measures brightness, from 0% (black) to 100% (white), with 50% representing the standard brightness.

In practice, hsl values are widely used in CSS and design tools. The syntax is hsl(hue, saturation%, lightness%), and there is also an alpha-enabled variant hsla(hue, saturation%, lightness%, alpha) to specify transparency. Examples include:

- hsl(0, 100%, 50%) for pure red

- hsl(120, 100%, 50%) for pure green

- hsl(240, 100%, 50%) for pure blue

Conversions and interoperability: HSL values can be converted to RGB, which is often required for rendering on devices that use RGB color spaces. Most programming libraries provide functions to convert between HSL and RGB.

Advantages and notes: HSL offers an intuitive way to adjust color tone by tweaking lightness without altering hue. However, the perceptual effect of lightness and saturation is not perfectly linear, and colors can appear differently on various displays or color management settings. HSL is commonly preferred for UI design and web development due to its readability and direct mapping to human-friendly parameters.

See also: HSV (or HSB), RGB, color models, color conversion.