HSL Color Model Explained: Why Designers Prefer It Over RGB
Learn why HSL is more intuitive than RGB for color selection. Understand hue, saturation, lightness, and how to create harmonious color palettes with HSL.
Why HSL is Better for Designers
RGB and HEX describe colors in terms of how screens produce them (mixing red, green, and blue light). HSL describes colors in terms of how humans perceive them: what color it is (hue), how vivid it is (saturation), and how bright it is (lightness). This makes HSL far more intuitive for design work.
Understanding Hue
Hue is a degree on the color wheel from 0 to 360. Red is at 0 (and 360), yellow is at 60, green at 120, cyan at 180, blue at 240, and magenta at 300.
| Hue | Color |
|---|---|
| 0 | Red |
| 30 | Orange |
| 60 | Yellow |
| 120 | Green |
| 180 | Cyan |
| 240 | Blue |
| 270 | Purple |
| 300 | Magenta |
| 330 | Pink |
Creating Color Palettes with HSL
HSL makes it easy to create harmonious color palettes. Keep the hue the same and vary saturation and lightness to create different shades:
/* Primary blue palette */
--blue-50: hsl(210, 80%, 95%); /* Lightest */
--blue-100: hsl(210, 80%, 85%);
--blue-200: hsl(210, 80%, 75%);
--blue-300: hsl(210, 80%, 65%);
--blue-400: hsl(210, 80%, 55%);
--blue-500: hsl(210, 80%, 45%); /* Base */
--blue-600: hsl(210, 80%, 35%);
--blue-700: hsl(210, 80%, 25%);
--blue-800: hsl(210, 80%, 15%);
--blue-900: hsl(210, 80%, 5%); /* Darkest */With RGB or HEX, creating consistent shade variations requires complex calculations. With HSL, you just adjust the lightness value.
Complementary Colors
Complementary colors are opposite on the color wheel. In HSL, you just add 180 to the hue. If your primary color is hsl(210, 80%, 50%) (blue), the complementary color is hsl(30, 80%, 50%) (orange).
Convert Colors
HEX to HSL Converter
Convert hex colors to HSL for intuitive color manipulation.
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Convert HSL values back to hex codes for CSS.
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