If you are suffering Night Light/Night Mode color problems this guide will show you how to fix them. The idea is great and it works very well most of the time, however, some users are reporting a bug in which Night Mode grays out or has color loss. It is intended to change the color range of your computer monitor's light, reducing eye strain to help you get a better night sleep. Night Mode or Night Light was recently added to Windows 10 in the last major update, the Windows 10 Creators Update.