Changing gamma setting on macOS Sequoia 15.6

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Level 1

5 points

Changing gamma setting on macOS Sequoia 15.6

Does anyone know how to turn up gamma on macOS Sequoia 15.6? For some reason the "expert mode" in the Display Calibrator doesn't appear when i hold down ALT...

MacBook Air (M1, 2020)

Posted on Dec 3, 2025 1:20 AM

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Answer 1

dialabrain

Level 10

135,521 points

Dec 3, 2025 1:41 AM in response to eur1on

Just to be clear, open System Settings > Displays > Color Profile > Customize…, then hold the option key and click the +.

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Answer 2

dialabrain

Level 10

135,521 points

Dec 3, 2025 1:33 AM in response to eur1on

First, update to Sequoia 15.7.2 and test again. You do have to hold the option key before you click on the + to create the new Color Profile.

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Answer 3

eur1on Author

Level 1

5 points

Dec 3, 2025 4:11 AM in response to dialabrain

Thanks, it worked!

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Answer 4

dialabrain

Level 10

135,521 points

Dec 3, 2025 4:27 AM in response to eur1on

You're welcome.

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