Enter colour value in one format to show others automatically,
optionally enter shade colour and percentage to show shade between them
Contrast
WCAG1 standard met or percentage of WCAG1 contrast
WCAG2 standard met (Min = minimum, Enh = enhanced) with ratio
Information
- Red - Green - Blue (RGB) values 0−255 (3 colours default RGB unless CMY selected)
- Cyan - Magenta - Yellow (CMY), Cyan - Magenta - Yellow - Black (CMYK) values 0−100
- Web values 3-digit or 6-digit hex #000−#FFF or #000000−#FFFFFF (equating to RGB)
- Colour spaces differ, so exact CMY(K) conversion is not possible, especially CMYK
- Linear conversion is used, treating R/C, G/M, B/Y as opposites, using K when possible
- Average brightness, WCAG1 brightness and WCAG2 luminance shown
- Contrast shows standards met, percentage of WCAG1 contrast and WCAG2 ratio
- Shade is a linear percentage between the two RGB colours or RGB mix if combined
