$ color
Color Converter
Convert colors between HEX, RGB and HSL, preview them, and check contrast against black and white.
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About color formats
HEX (#RRGGBB) is the compact web standard. RGB gives red, green and blue as 0–255. HSL expresses hue (0–360°), saturation and lightness, which makes it easy to derive lighter, darker or complementary variants. Contrast ratios follow WCAG: aim for 4.5:1 for normal text and 3:1 for large text.