Color

#03b031

#03b031
hex#03b031
rgbrgb(3, 176, 49)
hslhsl(136, 97%, 35%)
oklchoklch(0.658 0.206 145.1)
Closest name: Hedged Garden (#00aa11)Relative luminance 0.3129

Colors that go with #03b031

Blue, Royal Blue and Taupe 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 →

#b00382

#2bb003 · #03b087

#3103b0 · #b03103

Split-complementary

Open in tool →

#8703b0 · #b0032b

#032bb0 · #b00382 · #b08703

Contrast

#03b031 as textRatioAAAA largeAAAFix
Aaon white
2.89:1failfailfail
  • AA: use #028826 as the text (4.61:1)
  • AAA: use #02641c as the text (7.39:1)
  • AA: or shift the background to #303030 (4.56:1)
  • AAA: or shift the background to #050505 (7.04:1)
Aaon black
7.26:1passpasspassPasses 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 #03b031 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 #03b031
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 #03b031 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03b031-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