Appearance All Users

Nucleus supports three display modes. Your preference is saved to your account and persists across sessions.

Changing the Theme

  1. Go to Settings in the sidebar.
  2. Click the Appearance tab.
  3. Select one of the three options:
ModeBehavior
SystemFollows your operating system preference. If your OS switches to dark mode at night, Nucleus follows.
LightAlways light background, dark text.
DarkAlways dark background, light text.

The change takes effect immediately — no page reload required.

The default setting is System, which automatically matches your OS preference.