2017

Contrast-Finder.org


extention Firefox - WCAG Contrast checker

2016

joedolson.com - Color Contrast Spectrum Tester

2013
2012
2010

Juicy Studio: CSS Analyser - colour contrast test

Founded in late 2003 and heartquartered in France, we are non-profit and independant.
We believe in the open web, think internet services should be sustainable, build for the long term.
While we are re-launching the service, we only accept new members through invitation.