Colour Contrast Analyser (CCA) is a free color contrast checker tool that allows you to easily determine the contrast ratio of two colors simply using an eyedrop tool. The CCA enables you to optimize your content–including text and visual elements–for individuals with vision disabilities like color-blindness and low-vision impairments.
Send pixel-perfect, color-perfect design previews from your Mac to your iPhone or iPad.
It's a simple to use, yet powerful astronomical image processing program.
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