Contrast Checker

Contrast Checker helps you avoid low-contrast color combinations between text Color and background Color and achieve the accessibility standards outlined in the WCAG 2.0.

To use, select it in the menu button on the top bar of the Menu Bar Interface.

Add the Text and Background Colors by entering the hexadecimal value or opening the Color Panel (clicking on the color on the left of each input form).

Changing colors using apple native color panel.

If your color contrast is failing, you can fix it manually on the hue, saturation and brightness sliders or you can use the fix button at the right of each input form. Using this option, Sip adjusts the color brightness and saturation until the contrast is enough to pass as AAA.

Switching colors and fixing contrast automatically.

What each of the four scores means.

Fail – Your text doesn't have enough contrast with the background.
AA Large – The smallest acceptable amount of contrast for type sizes of 18pt and larger.
AA – the smallest acceptable amount of contrast for text sizes below ~18pt.
AAA – This is enhanced contrast with a score of at least 7.0.