How do I switch between a light and dark screen?
Choose the screen colors that feel easiest to read.
Light and dark themes change the page colors. Try both and use the one you prefer.
A System choice follows your device's theme. It does not always mean light by day and dark at night.
Try this
- Open ChatGPT's settings.
- Look for Appearance or a theme choice. The name can vary by app.
- Choose Light or Dark if offered.
- Read a reply and check that the contrast feels clear.
- Choose System if you want to follow the device setting.
- If the choice is missing, check your device's display settings.

Buddy says
Theme and screen brightness are separate. You can adjust both.
Sources and more help
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