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Contrast ratio

The calculator gives the contrast ration of two colors. Text/background color contrast ratio must be around 7:1 to be good readable.

Articles that describe this calculator

PLANETCALC, Contrast ratio

Contrast ratio

Color in hex format
Color in hex format
Digits after the decimal point: 2
Contrast ratio
 
Color 1
 
Color 2
 

Calculators used by this calculator

Creative Commons Attribution/Share-Alike License 3.0 (Unported) PLANETCALC, Contrast ratio

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