Ultramarine Harbor color palette — #E0FFE0 · #00A290 · #005BC0 · #5E3E00 · #003D45

Cobalt and Fern set the tone — five colors that lean into nature and growth.

The five colors

• Honeydew (#E0FFE0): A whisper-light, dusty green — the color of a quiet forest floor.
• Fern (#00A290): A luminous, balanced teal — the color of glacier melt.
• Cobalt (#005BC0): A full-bodied, vivid blue — the color of deep harbor water.
• Bronze (#5E3E00): A deep, shadowed, balanced gold — the color of afternoon light on wheat.
• Deep Teal (#003D45): A deep, shadowed, dusty blue — the color of a favorite pair of jeans.

Feels like: Nature, Growth, Trust, Stability, Optimism, Calm. Tagged retro, cool.

Use it as a design system

One click turns Ultramarine Harbor into a complete token system: semantic roles from primary to success, an 11-stop OKLCH scale per role, a WCAG AA/AAA and APCA contrast matrix, an auto-derived dark mode and 11 export formats including CSS custom properties, Tailwind, Figma Variables and shadcn/ui.

Similar palettes

• Misty Terrace color palette (#DBFFEC, #009CB7, #6640BE, #4D4700, #0B3858)
• Hushed Garnet color palette (#FFF0FC, #00A570, #006795, #82110B, #003E3C)
• Muted Ultramarine Chapel color palette (#FFF0D2, #00A2BE, #005EBF, #6F1C1A, #001F2D)
• Nightshade Garden color palette (#CDE6CF, #00888A, #3135B3, #442F00, #002936)
• Pale Summit color palette (#DEFFE5, #00BBDB, #247BE4, #923B36, #003B51)
• Antique Pine color palette (#E6FCEC, #8EB061, #007D55, #005A71, #304118)
• Ancient Ridge color palette (#D9FEFD, #159C65, #80009E, #3F4400, #0F3313)
• Gentle Aubergine color palette (#CAF1C9, #0083CC, #810097, #02450B, #1C2451)

Browse the whole catalog at Explore, or see today's palette.