Colour & Accessibility
Make the colour readable.
Check contrast, build palettes and make small colour decisions without guessing.
What do you need to do?
Pick the job you recognise.
Colour contrast checker
Check a foreground/background contrast ratio.
Open tool →Live URL contrast scanner
Scan a live webpage for contrast issues.
Open tool →Colour blindness simulator
Preview a colour under common vision deficiencies.
Open tool →Palette & harmony generator
Generate related colours from a starting colour.
Open tool →Extract colours from an image
Upload an image and rank its dominant colours with copy-ready HEX, RGB and HSL values.
Open tool →Accessible palette audit
Check a set of colours for usable combinations.
Open tool →Nearest passing colour finder
Find a nearby colour that improves contrast.
Open tool →Colour converter
Convert HEX into RGB.
Open tool →Tints / shades / tones
Generate lighter and darker versions.
Open tool →Opacity / alpha calculator
Convert opacity percentages to alpha values.
Open tool →Colour difference checker
Measure a simple distance between two colours.
Open tool →Gradient contrast checker
Check text against both ends of a gradient.
Open tool →Button / link / icon contrast
Check small interface elements against a surface.
Open tool →RGB → CMYK Converter
Convert HEX or RGB colour values into CMYK percentages for print prep.
Open tool →Turn colour numbers into useful decisions.
OutMonkey’s colour and accessibility tools help with contrast checks, accessible combinations, colour conversion, palette review and practical production decisions. Measurements are useful, but always judge the real text size, weight, background and final context too.