Color

#03d33b

#03d33b
hex#03d33b
rgbrgb(3, 211, 59)
hslhsl(136, 97%, 42%)
oklchoklch(0.754 0.237 145)
Closest name: Lime Green (#32cd32)Relative luminance 0.4692

Colors that go with #03d33b

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 →

#d3039c

#34d303 · #03d3a3

#3b03d3 · #d33b03

Split-complementary

Open in tool →

#a303d3 · #d30334

#0334d3 · #d3039c · #d3a303

Contrast

#03d33b as textRatioAAAA largeAAAFix
Aaon white
2.02:1failfailfail
  • AA: use #028826 as the text (4.61:1)
  • AAA: use #02641c as the text (7.39:1)
  • AA: or shift the background to #474747 (4.59:1)
  • AAA: or shift the background to #2b2b2b (7:1)
Aaon black
10.38:1passpasspassPasses 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 #03d33b 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 #03d33b
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 #03d33b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03d33b-a2bead-b959d4-1f2d29-ebf1e9?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