Color

#03a69e

#03a69e
hex#03a69e
rgbrgb(3, 166, 158)
hslhsl(177, 96%, 33%)
oklchoklch(0.654 0.113 188.7)
Closest name: Billiard (#00af9f)Relative luminance 0.2976

Colors that go with #03a69e

Charcoal, Crimson and Denim lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #03a69e

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a5030b

#03a54c · #035ca5

#9d03a5 · #a59d03

Split-complementary

Open in tool →

#a5035c · #a54c03

#4c03a5 · #a5030b · #5ca503

Contrast

#03a69e as textRatioAAAA largeAAAFix
Aaon white
3.02:1failpassfail
  • AA: use #03827c as the text (4.68:1)
  • AAA: use #02645f as the text (7.02:1)
  • AA: or shift the background to #2b2b2b (4.69:1)
Aaon black
6.95:1passpassfail
  • AAA: use #03aaa2 as the text (7.28:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03a69e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #03a69e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #03a69e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03a69e-a2bcbe-d4599b-1f282d-e9f1ed?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md