A 6-digit hexadecimal color code prefixed with #. Each pair of digits represents the Red, Green, and Blue channels in base-16 (00-FF).
Represents colors using Red, Green, and Blue channels, each ranging from 0 to 255. Based on additive color mixing — the way screens emit light.
Defines color by Hue (angle on the color wheel), Saturation (intensity), and Lightness (brightness). More intuitive than RGB for manual color selection.
Cyan, Magenta, Yellow, Key (black). A subtractive color model used in print production where inks absorb light rather than emit it.
Hue, Saturation, Brightness (also called HSV — Hue, Saturation, Value). Similar to HSL but uses brightness instead of lightness, matching how many color pickers work.
A perceptually uniform color space where equal numerical changes correspond to roughly equal perceived color differences. Consists of Lightness (L), green-red axis (a), and blue-yellow axis (b).
A device-independent color space defined by the International Commission on Illumination. Serves as the mathematical foundation for most other color spaces.
The cylindrical form of CIELAB, using Lightness, Chroma (color intensity), and Hue (angle). More intuitive than LAB's a/b axes while maintaining perceptual uniformity.
A modern perceptual color space that improves on LCH with better hue uniformity. Designed by Björn Ottosson to fix hue shifts that occur in CIELAB-based spaces.
Hue, Whiteness, Blackness. Describes color by its hue angle, then how much white and black are mixed in. Considered the most intuitive color model for humans.
A perceptually uniform color space optimized for additive color mixing (light). Similar to CIELAB but better suited for applications involving illumination.