The test allows you to examine the color ranges, gradients, trailing, and homogeneity of your monitor. Additionally there is a pixelmapping and text contrast tool.

Learn how to tweak your desktop or laptop display using free test patterns or the built-in utility in Windows or Mac OS X. How to calibrate your monitor - CNET X ...

For Multi-Monitor Setups: Test Patterns on Both ... You don't need to spend a lot of money on color calibration for your LCD display unless you need color fidelity between printed materials and ...

How to Calibrate Your Home TV or Monitor with Netflix's Secret 'Test Patterns' Netflix, a video streaming service, distributes a lot of content that supports 4K resolution, HDR, and Dolby Atmos sound.

Added Settings -> Adjust Display Colors, to tune the display's Color Vibrancy and Color Temperature. The settings can be tuned with a preview of a test image (above), or with your running game.