Gamma is increased in fullscreen mode and completely washes out all the colors. I cannot find any setting to fix this. Windowed --> beautiful. Fullscreen --> disgusting. This applies to the latest version of Minecraft and 1.12.2. I do not see why this game doesn't have a gamma/brightness option to match my desktop colors. And no, this is not something I can fix with my monitor (no gamma adjustments – instead done through Windows DCCW), and other games are fine as I can actually adjust them properly.
MC-147545
Game is very washed out in fullscreen mode
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This is a issue with DCCW being disabled for full screen games https://answers.microsoft.com/en-us/windows/forum/windows_7-desktop/display-color-calibration-resets-when-starting-a/e29dfaa6-4cd4-4cab-af40-dfe10bc35c33?messageId=bd8d2f21-5f37-4331-bb0c-636b1da251bc
Some guys in this forum propose third party solutions https://forums.guru3d.com/threads/holding-colour-calibration-in-full-screen-solution.280096/, but I havent tried any to recommend one