Colour Contrast Analyser (CCA) - TPGi
Use TPGi's free color contrast checker to optimize your content - including text and visual elements - for individuals with color-blindness or low vision impairments. Current version 3.5.4.
Contrast Checker - WebAIM
Enter a foreground and background color in RGB hexadecimal format or choose a color using the Color Picker. Enter an Alpha value to adjust the transparency of the foreground color. Use the Lightness slider to adjust the perceived lightness of the color.
Contrast Checker - Adobe Color
Make your design as inclusive as possible with Adobe’s Contrast Checker This tool lets you quickly verify that the contrast ratio of text and background color combinations meet the standards of the Web Content Accessibility Guidelines (WCAG)
Color Contrast Checker - Coolors
Calculate the contrast ratio of text and background colors. How does it work? This tool follows the Web Content Accessibility Guidelines (WCAG), which are a series of recommendations for making the web more accessible. Regarding colors, the standard defines two levels of contrast ratio: AA (minimum contrast) and AAA (enhanced contrast).
Deque Color Contrast Analyzer - Deque University
Deque Color Contrast Analyzer. Free online tool for evaluating color contrast according to the Web Content Accessibility Guidelines (WCAG).
WCAG Color Contrast Checker - Accessible Web
Use our free web accessiblity color contrast checker to check your website's color combinations against WCAG A, AA, and AAA requirements.
Color Contrast Analyzer - Chrome Web Store
This extension allows you to analyze text color contrast problems on a webpage according to the WCAG 2 text color contrast requirements. It evaluates the page as it appears in the...
Contrast Finder, find correct color contrasts for web accessibility …
Contrast-Finder is a tool which computes the contrast between two colors (background, foreground) and checks if the contrast is valid. When the contrast is not valid, the main target is to suggest some correct colors contrasts.
Color Contrast Checker for WCAG & APCA. Analyse, preview and get color ...
The Polypane color contrast checker checks against values defined by the WCAG 2 (Web Content Accessibility Guidelines) or APCA (the Accessible Perceptual Contrast Algorithm). WCAG give a formula to calculate the contrast, ranging from 1 (no contrast) to 21 (black on white).
Color Palette by Deque
Import the hex or RGB color values that comprise your current color palette to see where they stand against WCAG 2.1 AA color contrast requirements. Indicate which colors are used for text or background treatments, as well as the font size and weight.