# Configuring Internal Apple Display for Colour Reference > [!Checklist] macOS DISPLAY SETTINGS > - [ ] 🔅 macOS System Settings... > Display Settings > - [ ] Brightness > ✅ 50% (8/16 'notches') ^[ℹ︎ Rec.709 peak luminance ≈ 100 nits, +/- 20 nits, depending on ambient light environment]^[≈50% brightness for most non-XDR Apple Displays is a reasonable 'ballpark' configuration of peak luminance. > A more accurate configuration is possible by applying an Apple Display *Preset* on supported workstations, or by direct-measurement of the peak luminance of your Apple Display with a colorimeter.] > - [ ] 🚫 Automatically adjust brightness - DISABLE > - [ ] 🚫 True Tone - DISABLE ^[True Tone 'Automatically adapts display to make colors appear more consistent in different ambient lighting conditions'. This may cause inconsistencies in exposure and colour-correction decisions.] > - Color Profile: (Intel Macs) > - [ ] Color LCD - DEFAULT > - [ ] Rec.709 Gamma 2.4 - If Available > - [ ] Rec. ITU-R BT.709-5 - If Available > - Preset: (M-Series Macs)^[How to use reference modes with your Apple Display - [APPLE](https://support.apple.com/en-ca/HT210435)] ^[Customize the calibration using the Pro Display Calibrator - [APPLE](https://support.apple.com/en-ca/guide/mac-help/mchlff4659b7/14.0/mac/14.0)] > - [ ] Apple Display - DEFAULT M 13" MBP > - [ ] Apple XDR Display - DEFAULT M 14/16" MBP > - [ ] HDTV Video (BT.709-BT.1886) - if Available > - [ ] 🚫 Night Shift... - DISABLE ![[Screen Shot 2024-04-05 at 11.31.07 AM.png]] ![[Screen Shot 2024-04-05 at 11.31.32 AM.png]] ![[Screen Shot 2024-04-05 at 11.33.07 AM.png]] ![[Screen Shot 2024-04-05 at 11.33.34 AM.png]]