Color

#03d34f

#03d34f
hex#03d34f
rgbrgb(3, 211, 79)
hslhsl(142, 97%, 42%)
oklchoklch(0.755 0.224 147.1)
Closest name: Battletoad (#11cc55)Relative luminance 0.4717

Colors that go with #03d34f

Royal Blue, Taupe and Violet 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 →

#d30387

#1fd303 · #03d3b7

#4f03d3 · #d34f03

Split-complementary

Open in tool →

#b703d3 · #d3031f

#031fd3 · #d30387 · #d3b703

Contrast

#03d34f as textRatioAAAA largeAAAFix
Aaon white
2.01:1failfailfail
  • AA: use #028833 as the text (4.59:1)
  • AAA: use #026426 as the text (7.36:1)
  • AA: or shift the background to #474747 (4.62:1)
  • AAA: or shift the background to #2b2b2b (7.04:1)
Aaon black
10.43:1passpasspassPasses 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 #03d34f 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 #03d34f
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 #03d34f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03d34f-a2beaf-c659d4-1f2d2a-eaf1e9?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