Contrast – Color Accessibility is described as 'Contrast is a color tool that gives you quick and easy access WCAG (Web Content and Accessibility Guidelines ) color contrast ratios to help ensure your designs aren't too light' and is an app in the Development category. There are four alternatives to Contrast – Color Accessibility for Mac. The best alternative is Pochade. It's not free, so if you're looking for a free alternative, you could try Contraste. Other great apps like Contrast – Color Accessibility are Pikka (Paid) and Color Picker Pro (Paid).
Pochade easily allows you to select any color from your screen, save your collection of colors, and get the color value the way you want. Pochade is ideal for anyone that often has to get different color values from their screen.
Contraste allows you to quickly know if a combination of colors, for a text and a background, passes accessibility thresholds defined by the W3C, and thus is accessible to users with visual impairements.