Direction 01 / 06
Precision.
Calm, exact, fast. Engineered near-black UI, hairlines, one electric indigo signal.
Everything inside this frame is rendered in Precision: its fonts, radius, motion and palette.
Example · Relay
Changelog · v4.2
Infrastructure changes you can review like code. Plans, diffs and rollbacks in one place.
Relay turns every Terraform plan into a readable diff with an owner, a blast radius and a one-click rollback.
Relay
relay plan --env production
Type
Display Geist 500, text Geist, mono Geist Mono. SIL OFL 1.1, ~51KB latin woff2 total.
text-display-lgAa Bb 0123
text-display-smMeasure twice, ship once
text-2xlSection heading at reading size
text-mdBody copy runs at sixteen pixels with a comfortable measure and pretty wrapping.
text-smInterface text: buttons, navigation, table cells.
label-monoLabel · 11px · tracked
font-monoconst lcp = 1180; // ms
Palette
Semantic tokens in OKLCH, a separate scale per scheme. Contrast gate: 66 checks passed, 0 failed.
tightest: light --fg on --surface-hover 15.83:1 Lc96
light
bg #fcfcfe
Surfaces
- bg99.2% 0.002 275
- bg-subtle97.4% 0.003 275
- surface100% 0 0
- surface-raised100% 0 0
- surface-hover95.4% 0.005 275
Text
- fg20% 0.008 275
- fg-muted47% 0.012 275
- fg-subtle54.5% 0.012 275
Lines
- line-subtle22% 0.01 275 / 0.07
- line22% 0.01 275 / 0.11
- line-strong22% 0.01 275 / 0.2
- line-focus55% 0.19 272
Brand
- brand54.5% 0.19 272
- brand-hover50.5% 0.18 272
- brand-subtle95.5% 0.021 272
- brand-line80% 0.09 272
- brand-text50% 0.17 272
Status
- success50% 0.12 152
- warning52% 0.11 70
- danger52% 0.18 27
dark
bg #0a0a0b
Surfaces
- bg14.5% 0.003 275
- bg-subtle16.8% 0.004 275
- surface18.2% 0.005 275
- surface-raised21.5% 0.006 275
- surface-hover23.5% 0.007 275
Text
- fg96% 0.003 275
- fg-muted78.5% 0.009 275
- fg-subtle61% 0.01 275
Lines
- line-subtle100% 0 0 / 0.06
- line100% 0 0 / 0.09
- line-strong100% 0 0 / 0.17
- line-focus68% 0.15 273
Brand
- brand56% 0.19 272
- brand-hover52% 0.18 272
- brand-subtle25% 0.06 272
- brand-line44% 0.12 272
- brand-text80% 0.1 274
Status
- success79% 0.14 152
- warning82% 0.13 80
- danger79% 0.121 27
Depth, radius, motion
Elevation
Radius · knob 0.375rem
Motion · hover to play
cubic-bezier(0.23, 1, 0.32, 1)
fast 100ms · base 150ms
slow 200ms · slower 450ms
When to use it
- Use for
- dev tools, AI/infra products, pro SaaS, technical launch pages
- Avoid for
- playful consumer brands, long-form reading
- Signature
- display weight 500 at -0.04em; 11px uppercase mono labels (label-mono) as the UI voice; 1px white-alpha hairlines; depth from lighter surfaces + inset top highlight, not drop shadows; 6px radius; kbd chips; brand on <=2% of pixels (CTA, focus, active, links).
- Don't
- gradients on buttons, rounded-full buttons, serif, illustrations, glass, second accent.
Install
One import after the base, plus the fonts. Every component keeps working.
packages/tokens/css/directions/precision.css/* src/app/globals.css */
@import "tailwindcss";
@import "@void/tokens/base.css";
@import "@void/tokens/directions/precision.css";// src/app/layout.tsx
import { Geist, Geist_Mono } from "next/font/google";
const sans = Geist({ subsets: ["latin"], variable: "--font-geist-sans", display: "swap" });
const mono = Geist_Mono({ subsets: ["latin"], variable: "--font-geist-mono", display: "swap" });