Enter test screens, the digital color swatches that you can use to dial in your color settings (such as the hue, saturation, contrast, and temperature).

Taking the test is easy. Head over to the website where you’ll be prompted to select the color blue or green (whichever you think the shade looks like to you). The hues on the screen change from ...

If your Windows 11/10 computer screen looks washed out or displays a fading monitor screen then you can try to disable HDR, turn off color filters, etc.

A new test called "Is my blue your blue?" reveals how different -- or similar -- your color perceptions are compared to everyone else.

The test patterns can be downloaded from the AVFoundation page on Apple's website under Related Resources > Color Test Patterns, with complete instructions available in Apple's support document.