Primer· Design Systemprimer.style

GitHub's design system · open source

The design system that powers GitHub.

Primer treats accessibility as a primitive — every component ships with tested WCAG AAA combinations, keyboard navigation, and screen-reader-verified labels. GitHub in a box.

Color Palette27 tokens

background#ffffff

canvas-subtle#f6f8fa

surface-subtle#eff2f5

ink#1f2328

fg-muted#59636e

fg-subtle#6e7781

fg-faint#77827a

border#d0d7de

border-emphasis#a3aab1

primary#0969da

accent-fg#0969da

accent-emphasis#0969da

accent-muted#ddf4ff

success#2da44e

success-emphasis#1a7f37

success-bg#dafbe1

attention-fg#9a6700

danger#cf222e

danger-bg#ffebe9

done-fg#8250df

done-bg#fbefff

label-orange-bg#fecfaa

display-lime-bg#e3f2b5

data-yellow#b88700

diff-hunk-bg#b6e3ff

focus-ring#82b8ee

on-primary#ffffff

Buttons

TypographyGoogle Font

Hanken Groteskbrand uses Mona Sans

display-hero

Design for developers.

56px · 440 · 0px

Open source, accessibility-first

34px · 500 · 0px

Primer treats accessibility as a primitive — every component ships with tested WCAG AAA combinations, keyboard navigation, and screen-reader-verified labels. GitHub in a box.

28px · 480 · 0px

fg.default · #1f2328 · --text-color-primary

22px · 480 · 0px

title

Primer treats accessibility as a primitive — every component ships with tested WCAG AAA combinations, keyboard navigation, and screen-reader-verified labels. GitHub in a box.

22px · 400 · 0px

IconsOcticon

Set: Octicon · brand-matched

Formfocus ring

you@company.com

Password

••••••••

Card · Shapes

Open source, accessibility-first

Primer treats accessibility as a primitive — every component ships with tested WCAG AAA combinations, keyboard navigatio…

Design System

sharp

Elevation

RING

CARD

ELEVATED

Controls

Off

✓Checked

Unchecked

Selected

Option

Alerts

Heads up — a new version of the design system is available.

Saved. Your changes are live across all surfaces.

Some tokens are missing a contrast-safe pairing.

Couldn’t reach the server. Retry in a moment.

Badges

SolidSoftOutlineNewv2.0

FAQ

Open source, accessibility-first

Primer treats accessibility as a primitive — every component ships with tested WCAG AAA combinations, keyboard navigation, and screen-reader-verified labels. GitHub in a…

How does it integrate with my stack?

Is there a free tier?

Tabs

OverviewActivitySettings

DayWeekMonth

Stats

48.2k

Active users

+12.4%

$12.8k

MRR

+3.1%

99.9%

Uptime

−0.02%

Table

Member	Plan	Status
AQAvery Quinn	Pro	Active
JLJordan Lee	Team	Pending
SRSam Rivera	Free	Active

Avatars

AQJLSR+5

Avery Quinn

Online · Owner

Slider · Progress

Volume62%

Storage used78%

Tooltip · Popover

Brand-styled tooltipHover target

Navigation bar

Banner

Pricing

Pro

$24 /mo

Unlimited projects
Priority support
Custom domains

Stepper

CartDetails3Payment4Review

Breadcrumb

HomeDesign SystemPrimer

Toast

Changes savedUndo

You have 3 new updates

Activity

Avery created a new project

2h ago

Jordan left a comment

5h ago

Sam shipped v2.0

1d ago

Notifications

AQAvery Quinn invited you to Primer.

2 minutes ago

JLJordan Lee approved your design tokens.

1 hour ago

SRSam Rivera mentioned you in a thread.

Yesterday

Code

theme.ts

// Primer tokens
export const theme = {
  primary: "#0969da",
  radius: "8px",
}

Calendar

March 2026

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Pagination

‹123…12›

Brand moment

Primer is what shipped when GitHub decided that open source isn't just code — it's design too.

Primer · Design System

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