Codex custom themes

Bring Santi020k focus to Codex.

Two native, import-ready presets shaped by the same quiet violet system as the rest of the Santi020k theme family.

Available nowDark + lightNo extension required
CodexDark
New taskLocal

Polish the launch experience.

Ask Codex to work
Calm contrast45% contrast
CodexLight
Review changes2 files
+durableFocus: true
visualNoise: true
Ready to importSystem fonts

Copy and import

Pick a mode. Copy one line.

Choose your preset below, copy its complete value, then import it from Codex Settings → Appearance. Your existing settings stay untouched.

01Choose dark or lightEach preset is tuned independently.
02Copy the presetUse the copy control in the code panel.
03Import in CodexOpen Settings → Appearance → Import.
json
codex-theme-v1:{"codeThemeId":"codex","theme":{"accent":"#752df0","contrast":45,"fonts":{"code":null,"ui":null},"ink":"#dfdde3","opaqueWindows":false,"semanticColors":{"diffAdded":"#7daea3","diffRemoved":"#ea6962","skill":"#9b69f6"},"surface":"#0d0a15"},"variant":"dark"}

These presets change appearance only. They contain colors, contrast, and font preferences—no account or project data.

One visual language

Designed as a pair.

Both modes keep hierarchy quiet and focus obvious, while added and removed states remain easy to distinguish during review.

Santi020k Dark#0d0a15

Deep indigo-black surfaces, soft lavender text, and a vivid violet accent built for long sessions.

Contrast
45
Code theme
codex
Fonts
System
Santi020k Light#f8f6fd

Purple-tinted white surfaces, grounded charcoal text, and a rich violet interaction color.

Contrast
45
Code theme
codex
Fonts
System

Ready when you are

Make Codex feel like part of the family.