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).

Another day, another TikTok trend. A 2021 craze that swept the video-sharing app is the Color Personality Test that people used to express themselves via, you guessed it, color psychology ...

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.

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