Name	Type	Internet Location	Comments	Favorite of
ColorShark	Contrast Checker	colorshark.io	offers suggestions if your colors fail contrast	Robin Magritte
Coolors Color Contrast Checker	Contrast Checker	coolors.co	Offers suggestions for how to fix colors that fail the contrast ratio
Deque Color Palette Contrast Checker	Contrast Checker	color-contrast-checker.deque.com	Allows for the selection of up to 5 colors to create a palate for comparison, definitely faster for comparing combinations of multiple colors against one another
EightShapes Contrast Grid	Contrast Checker	contrast-grid.eightshapes.com	Allows for defining and labeling any amount of colors to create a palette for comparison. Produces a (very large) URL for sharing your palette.	Robin Magritte
Esse.Tools Color Contrast Checker	Contrast Checker	contrastchecker.online	Is connected to resources for WCAG success criterion for 1.4.3 and for 1.4.6
Lea Verou Contrast Ratio	Contrast Checker	contrast-ratio.com	provides data about relative luminance	Robin Magritte
TPGi Colour Contrast Analyser (CCA)	Contrast Checker	www.tpgi.com	* Downloadable tool * Indicates if a color contrast passes AA text contrast minimum, AAA text contrast minimum, and AA non-text contrast minimum
WebAIM (Web Accessibility in Mind) Contrast Checker	Contrast Checker	webaim.org	* Has a color dropper feature * Shows what this looks like for normal text, large text, and graphics * Linked to other tools and resources	Rebecca Testrake
WSF&W Color Contast Ratio Calculator	Contrast Checker	www.msfw.com	Has a table of colors displayed with ratio numbers to provide a visual example
Accessibility Developer Guide: Semantics	Semantics	www.accessibility-developer-guide.com	Explains what Semantics are and why they are important
axe DevTools	SemanticsContrast Checker	www.deque.com	This one is a huge favorite. Runs tests and generates reports on what’s broken, the degree of severity, and offers solutions on how to fix.	Robin MagritteRebecca Testrake