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Lessons and courses

Adjust the contrast for projectors and weak screens

Make lesson text and images easier to see on a dim projector or low-contrast screen.

For teachers2 stepsUpdated 15 September 2026

  1. In a lesson, click the contrast button at the top right.

    The contrast button on a lesson page
  2. The lesson switches to a higher-contrast view. Click the button again to switch back.

    A lesson in the higher-contrast view

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