Coder — design system & UI screens

Dev Tools · 1 screen · 10 sections · https://coder.com/

Clean light landing; a headline over a dark Coder workspace dashboard mockup showing live agent runs, run-state controls, and a completed-task log.

Open in Mozaika →

This is a static, crawlable rendering for search & AI engines. The interactive version — filters, live decode console, copy & export — is at https://mozaika.design/website/coder.

Decoded design system

Coder's decoded design system: background #FFFFFF, text #0A0C0C, accent #0A0C0C, link #A19CC8, primary #FF8067; type scale h1 68px / h2 14px / body 18px; 8px spacing base; 0px base radius. The single interactive/action color is #0A0C0C — used only on interactive or must-notice elements (buttons, links, key highlights), never on large fills.

Color roles

Role	Value
bg	`#FFFFFF`
surface	`#F0F0F0`
border	`#DADADA`
text	`#0A0C0C`
text_muted	`#676868`
primary	`#FF8067`
accent	`#0A0C0C`
link	`#A19CC8`
secondary	`#9EDFE9`
button_bg	`#0A0C0C`
button_text	`#FFFFFF`

Using these colors

Action color #0A0C0C — the single interactive color; only on things you click or must notice, never large fills.
accent, button_bg are all #0A0C0C — one role, not several (the action color).
accent #0A0C0C — THE accent / action color — interactive & must-notice only (buttons, links, focus, one key highlight); never large fills or backgrounds. Scarcity is what makes it read as designed.
primary #FF8067 — a brand color — but the call-to-action uses #0A0C0C, not this.
link #A19CC8 — fails contrast on the background (~2.6:1) — this is a dark UI color, NOT a readable link; use the text or action color for links (verify against the reference).
secondary #9EDFE9 — optional secondary accent — LOW decode confidence; use rarely (a status color or a single decorative moment) or omit it entirely. Prefer one accent unless the reference clearly shows two.

Typography

Heading: Geist
Body: LayGrotesk
Mono: FT System Mono
h1: 68px
h2: 14px
body: 18px

Spacing

base unit: 8px
scale: 4px, 8px, 12px, 16px, 24px, 32px, 48px, 64px

Radii

base: 0px
button: 9999px

Full design system, per-section tokens & DESIGN.md / Tailwind / CSS exports →