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.

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.

Colour contrast analyser tool helps users in creating WCAG AA, AAA compliant color themes. Color wheel or color picker can also be used to update this color palette and individual colors.

Dec 29, 2025 · A free, simple tool, this contrast checker calculates the contrast ratio between two colors and helps determine accessibility compliance with WCAG 2.1 standards.

The Colour Contrast Analyser (CCA) is a tool that calculates the contrast between two colours and automatically evaluates the returned value against the Web Content Accessibility Guidelines.

In this video from Making Color Usage Accessible, we’ll show you how to use the Colour Contrast Analyser (CCA) and the programmatic color values—or HEX codes—to check contrast …

This tool will come in handy when you are using a widget to display text over an image and need to check the color contrast since the image will have multiple colors present.

Deque Color Contrast Analyzer Free online tool for evaluating color contrast according to the Web Content Accessibility Guidelines (WCAG).

With the color contrast checker, you can set color values, review sample text, and get a color contrast ratio in seconds, making it a versatile tool at any stage of the design process.

The Color Contrast Analyzer (CCA) assists in evaluating the readability of text and the difference in contrast between visual elements, including graphical components and visual cues.