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Atlassian. Confetti-edged engineering blueprint.

  • SaaS
  • Light theme
  • 11 colors
  • 2 typefaces

Atlassian operates as an enterprise workshop dressed in casual confidence: a white canvas where dense product interfaces meet bold, colorful editorial moments. The visual system splits between quiet functional surfaces (white, light gray, subtle blue) and expressive dark hero blocks (near-black navies) framed by fragmented geometric confetti in vivid violet, yellow, blue, and green. Typography is a paired custom sans family — Charlie Text for dense UI, Charlie Display for editorial headlines that grow to 80px with tightened tracking. Components are large, rounded, and borderless — pills for actions, generous 20px radii for cards, almost no shadow. Color is disciplined: one electric blue drives every primary action and link, while chromatic energy lives only in decorative edges and section dividers, never bleeding into functional UI.

Screenshot of Atlassian
Captured from atlassian.com on October 11, 2026

Atlassian design system

Atlassian

Brand1

  • Primary action buttons, active links, focus states, icon accents — the single chromatic action color across the entire system, providing directional clarity against monochrome surfaces

Accent3

  • Sporadic CTA alternative (event registration), decorative fill in geometric confetti, accent punctuation in dark banners

  • Soft purple section backgrounds, highlight bands, decorative geometric fills

  • Decorative geometric borders around video and hero blocks — conic gradient sweeps violet → yellow → blue

Neutrals7

  • Primary text, heading fills on light surfaces, dark hero panel backgrounds, link text — the dominant ink color

  • Outlined action borders, icon strokes, list dividers, tertiary text — a blue-tinted near-gray that hints at brand without committing to color

  • Card borders on light surfaces, body text, input borders, secondary heading text

  • Helper text, form labels, info badges, icon tints, secondary metadata

  • Disabled borders, subtle list separators, card shadow tints

  • Muted button backgrounds, secondary surface fills, hairline section dividers

  • Page canvas, card surfaces, button text on dark fills, dark-section backgrounds where contrast demands it

Try a pairing

Pick any two colors from the palette to check whether text stays readable on top.

Aa

Pure White on Atlassian Blue

5.20 : 1 contrast

Background
Text
  • Body textPasses AA 4.5
  • Large textPasses AA 3
  • StrictFails AAA 7

More DESIGN.md files. Same web, different personalities.