OpenAI Developers

Palette

Neutral

• Obsidian #000000
• Paper White #ffffff
• Carbon #181818
• Fog White #f9f9f9
• Ash Gray #5d5d5d
• Graphite #282828

Typography

from 12 to 30px · 6 steps

• OpenAI Sans — replacement: Inter · outlines 400, 500, 600

Intervals and form

Similar styles

• Huly — Northern Lights at Midnight Observatory - the protagonist is a vertical beam of purple fading into coral, and each quiet section below it borrows the same two-tone story told in a more subdued tone
• monday — White workshop with pastel stickers
• Slack — The stage is eggplant-colored with white spotlights. A deep plum hue dominates the dark areas, while the off-white canvas allows the large, avant-garde titles to breathe freely.
• Base44 — Sunlit notebook with lime marker
• Supahub — Soft daylight on a purple ridge. A mostly white, airy canvas illuminated by a single bright purple sun, with decorative gradient spheres spilling color into the negative space and generous rounded geometry lending each surface a pleasant, tangible heaviness.
• Raycast — Midnight Command Center, Coral Neon
• Dimension — a dusk-lit workstation with frosted glass panels
• Wiza — A mineral exploration observatory at dusk, shrouded in lavender mist.
• Paste — An amber lantern on white marble—the brand's warm gradient logo hovers in the vast white space, like the only illuminated window in a snow-covered building.
• Reworkd — The soft daylight on the product diagram is the only color that speaks for itself, it's the action button and the gradient headline above it.
• Reflect Notes — Starry violet space is a dark observatory where notes float like constellations against a backdrop of almost black indigo emptiness.
• Ameba — The control room at midnight – an electric blue pulse inside frosted glass panels