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Color Archives
All Color Calculators
HEX → RGB / HSL
Full hex color conversion
RGB
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HSL
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RGB → HEX
RGB values to hex code
HEX value
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Contrast Ratio
WCAG accessibility checker
Contrast ratio
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WCAG grade
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Opacity → HEX Alpha
% opacity to two-digit hex suffix
HEX alpha
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Usage example
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Tint / Shade
Lighten or darken a hex colour
Result
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Positive = tint (lighter) · Negative = shade (darker)
CSS Gradient Generator
Linear & radial gradient builder
CSS output
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Color Blindness Simulator
How your color looks to others
Normal vision
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Deuteranopia (red-green)
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Protanopia (red blind)
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Tritanopia (blue blind)
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Color Harmony
Complementary, triadic & analogous
Complementary (180°)
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Triadic (120° / 240°)
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Analogous (±30°)
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