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Based on the human perception of color, the HSL model describes three
fundamental characteristics of color:
• Hue is the color reflected from
or transmitted through an object. It is measured as a location on the standard
color wheel, expressed as a degree between 0° and 360° . In common use, hue is
identified by the name of the color such as red, orange, or green.
• Saturation, sometimes called chroma, is the strength or purity of the
color. Saturation represents the amount of gray in proportion to the hue,
measured as a percentage from 0% (gray) to 100% (fully saturated). On the
standard color wheel, saturation increases from the center to the
edge.
• Lightness is the relative brightness or darkness of
the color, usually measured as a percentage from 0% (black) to 100% (white).
A. Saturation B. Hue C. Lightness D. All hues
The Filter HSL allows you to change the colour of the picture with the other colour base, using hue, saturation and lightness parameters. Changing saturation turns your picture more colourful. Change of the lightness gives the more realistic effect than the change of the brightness.
Resize filter | Brightness / Contrast filter | RGB filter | Grayscale
filter | Blur filter | Motion blur filter
Soften filter | Sharpen
filter | Emboss filter | Dilate filter | Erode
filter | Colorize filter | HSL filter
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