Calibrate Display Using Expert Mode in macOS 13

Calibrating your monitor in macOS 13 Ventura ensures accurate color reproduction, proper contrast, and precise luminance for digital art, photography, or video editing. While Apple hides advanced calibration options by default, you can unlock the legacy Display Calibrator Assistant in Expert Mode using a specific keyboard shortcut. This guide walks you through accessing Expert Mode in macOS 13 and navigating each step of the calibration process to build a custom color profile.

Step 1: Prepare Your Workspace and Display

Before beginning calibration, prepare your hardware and environment to ensure accurate results:

  • Turn on your display at least 30 minutes prior to calibration to allow it to reach a stable operating temperature.
  • Eliminate glare and direct light falling on your screen.
  • Go to Apple menu > System Settings > Displays and turn off True Tone and Night Shift, as both dynamically alter screen colors.

Step 2: Open Expert Mode in macOS 13

macOS Ventura reorganized system menus, moving display profiles inside an expanded settings window.

  1. Open the Apple menu and select System Settings.
  2. Click Displays in the left sidebar.
  3. Click the dropdown menu next to Color profile and select Customize....
  4. In the sheet that appears, press and hold the Option (⌥) key on your keyboard.
  5. While holding Option, click the + (Add) button at the bottom of the list.

Holding the Option key launches the Display Calibrator Assistant with the Expert Mode checkbox enabled. If the checkbox is visible but unchecked, check Expert Mode and click Continue.

Step 3: Calibrate Display Settings

Follow the on-screen prompts to adjust your display parameters:

  1. Determine Native Luminance: Adjust your display's physical brightness settings until the test pattern matches the instructions provided.
  2. Set Native Gamma: You will see a series of five adjustment screens. On each screen, squint or sit back from your monitor, then adjust the two sliders (brightness and tint) until the Apple logo blends seamlessly into the striped background.
  3. Select Target Gamma: Choose your desired display contrast curve. The modern computing and web standard is 2.2 (Television/PC).
  4. Select Target White Point: Choose the color temperature of pure white. The standard for digital photography, web design, and video is D65 (6500K), which mimics average daylight. You can uncheck "Use native white point" to adjust this manually, or leave it checked if using a built-in MacBook display.
  5. Set Administrator Permissions: Decide whether other users on the Mac should have access to this profile.

Step 4: Name and Save the Profile

Enter a clear, identifiable name for your new profile (for example, "Custom Studio D65") and click Done. macOS 13 will immediately apply the newly created profile and set it as your active color profile under System Settings > Displays.