Color

#03e2b9

#03e2b9
hex#03e2b9
rgbrgb(3, 226, 185)
hslhsl(169, 97%, 45%)
oklchoklch(0.814 0.156 173.2)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.5791

Colors that go with #03e2b9

Charcoal, Blue and Crimson 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e2032c

#03e24a · #039ce2

#b903e2 · #e2b903

Split-complementary

Open in tool →

#e2039c · #e24a03

#4a03e2 · #e2032c · #9ce203

Contrast

#03e2b9 as textRatioAAAA largeAAAFix
Aaon white
1.67:1failfailfail
  • AA: use #02836b as the text (4.71:1)
  • AAA: use #026452 as the text (7.13:1)
  • AA: or shift the background to #545454 (4.54:1)
  • AAA: or shift the background to #383838 (7.03:1)
Aaon black
12.58:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03e2b9 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 #03e2b9
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 #03e2b9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03e2b9-a2bebc-d459ab-1f2a2d-e9f1ec?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