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Colour Contrast Analyser The Colour Contrast Analyser (CCA) helps you determine the legibility of text and the contrast of visual elements, such as graphical controls and visual indicators.

CCA-OSX - The Colour Contrast Analyser for Mac OSX was developed by Cédric Trévisan Based on the Windows version developed by Jun in collaboration with Steve Faulkner.

Luminosity Colour Contrast Ratio Analyser