Color

#03ba86

#03ba86
hex#03ba86
rgbrgb(3, 186, 134)
hslhsl(163, 97%, 37%)
oklchoklch(0.699 0.147 164.5)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3686

Colors that go with #03ba86

Charcoal, Hot Pink and Blue 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 →

#ba0337

#03ba2a · #0392ba

#8603ba · #ba8603

Split-complementary

Open in tool →

#ba0392 · #ba2a03

#2a03ba · #ba0337 · #92ba03

Contrast

#03ba86 as textRatioAAAA largeAAAFix
Aaon white
2.51:1failfailfail
  • AA: use #02835e as the text (4.76:1)
  • AAA: use #026448 as the text (7.19:1)
  • AA: or shift the background to #383838 (4.67:1)
  • AAA: or shift the background to #171717 (7.15:1)
Aaon black
8.37:1passpasspassPasses 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 #03ba86 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #03ba86
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 #03ba86 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03ba86-a2beb9-d459b7-1f2b2d-e9f1eb?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