Color

#b9d13d

#b9d13d
hex#b9d13d
rgbrgb(185, 209, 61)
hslhsl(70, 62%, 53%)
oklchoklch(0.816 0.169 118.4)
Closest name: Badass Grass (#b4da55)Relative luminance 0.5625

Colors that go with #b9d13d

Charcoal, Cornflower Blue and Deep Sky 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 →

#563dd1

#d1a03d · #6ed13d

#3db9d1 · #d13db9

Split-complementary

Open in tool →

#3d6ed1 · #a03dd1

#3dd1a0 · #563dd1 · #d13d6e

Contrast

#b9d13d as textRatioAAAA largeAAAFix
Aaon white
1.71:1failfailfail
  • AA: use #6c7c1d as the text (4.63:1)
  • AAA: use #4f5b15 as the text (7.4:1)
  • AA: or shift the background to #525252 (4.56:1)
  • AAA: or shift the background to #363636 (7.05:1)
Aaon black
12.25:1passpasspassPasses 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 #b9d13d 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 #b9d13d
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 #b9d13d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b9d13d-b6bea2-4e7cdf-252d1f-f1efe9?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