Color

#03ba74

#03ba74
hex#03ba74
rgbrgb(3, 186, 116)
hslhsl(157, 97%, 37%)
oklchoklch(0.695 0.163 157.7)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.364

Colors that go with #03ba74

Charcoal, Mustard Yellow and Royal 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 →

#ba0349

#03ba18 · #03a5ba

#7403ba · #ba7403

Split-complementary

Open in tool →

#ba03a5 · #ba1803

#1803ba · #ba0349 · #a5ba03

Contrast

#03ba74 as textRatioAAAA largeAAAFix
Aaon white
2.54:1failfailfail
  • AA: use #028854 as the text (4.51:1)
  • AAA: use #02643f as the text (7.25:1)
  • AA: or shift the background to #383838 (4.62:1)
  • AAA: or shift the background to #171717 (7.07:1)
Aaon black
8.28:1passpasspassPasses 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 #03ba74 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #03ba74
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 #03ba74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03ba74-a2beb7-d459c4-1f2c2d-e9f1ea?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