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Appearance & themes

Settings → General → Appearance controls how Aletheia looks and feels. It's the first place to make the app yours.

Settings → Appearance: the theme picker, custom themes, UI scale, and editor font.

Appearance settings: eight built-in themes (Slate selected), custom-theme cloning, UI scale, and the editor typeface picker.

Themes

Pick a color palette + accent from the built-in set:

  • Ember (default) — warm dark.
  • Blue Slate — cool dark with a blue accent.
  • Parchment — a light, paper-like theme.
  • Slate — cool neutral dark with nixie-orange accents and liquid-oxygen blue for data (the theme every screenshot in this manual uses).
  • Terminal Yellow / Green / Nixie — high-contrast, retro-terminal palettes.
  • System — follow your OS light/dark preference.

Click a swatch to apply instantly; your choice persists on this device.

The theme swatches: Slate, Ember, Parchment, and System.

Pick a palette from the built-in swatches. **①** Slate · **②** Ember · **③** Parchment · **④** System (follows your OS).

The selected Slate theme swatch.

The active theme is ringed — here, Slate, the palette used throughout this manual.

Custom themes

Not quite happy with a built-in? Clone one as a starting point (New from…), then edit each color to taste. You can export a theme as JSON to share it, or Import JSON to bring one in. Good for matching a brand palette or dialing in contrast for your display.

The custom themes panel with clone, import, and export controls.

Clone a built-in theme as a starting point, then edit each color — or import/export a theme as JSON to share it.

UI scale

A per-device zoom for the whole app — slide, then Apply. It scales spacing and type together, independent of your browser's zoom. Useful on very high- or low-DPI displays, or to fit more on screen.

The UI scale slider.

Drag the UI scale slider, then Apply — a per-device zoom for the whole app, independent of browser zoom.

Editor font

Choose the typeface your notes are written and read in: Space Grotesk, JetBrains Mono, IBM Plex Sans, Inter, Lato, Source Serif 4, Lora, or Atkinson Hyperlegible (a legibility-optimized face). Per-device, applied instantly — pick whatever you find most comfortable to read for long stretches.

The editor font picker.

Choose the typeface your notes are written and read in — including the legibility-optimized Atkinson Hyperlegible.

Match the theme to the room

The dark themes (Slate, Ember, Terminal) suit focused, low-light work; Parchment is easier on the eyes in a bright room or for long reading sessions. System flips automatically if you already switch your OS between day and night.

Next: Identity & autorouter →