Color contrast



Input RGB as "123,234,134" or "123 234 134". Input Hex as "#aabbcc" or "aa bb cc".

About the color contrast tool tool

Color contrast can be calculated on a scale from 1 to 21 - where 1 is the worst and 21 is the best. This tool lets you calculate the contrast - and comes with improvement options and enhancement suggestions, based on harmonies, contrasts and shades og the selected colors.

Color contrast is crucial for the readability and application of everything that - yes - uses colors. Black text, on red background is useless. This tool lets you optimize your way to the perfect contrast.


These tools are still in active development. If you have any kind of feedback, please let me know. Send me an e-mail on iamrootdottech(a)