Color

#b4d13d

#b4d13d
hex#b4d13d
rgbrgb(180, 209, 61)
hslhsl(72, 62%, 53%)
oklchoklch(0.813 0.171 120.1)
Closest name: Badass Grass (#b4da55)Relative luminance 0.5564

Colors that go with #b4d13d

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 →

#5b3dd1

#d1a53d · #69d13d

#3db4d1 · #d13db4

Split-complementary

Open in tool →

#3d69d1 · #a53dd1

#3dd1a5 · #5b3dd1 · #d13d69

Contrast

#b4d13d as textRatioAAAA largeAAAFix
Aaon white
1.73:1failfailfail
  • AA: use #697c1d as the text (4.67:1)
  • AAA: use #505f16 as the text (7.02:1)
  • AA: or shift the background to #525252 (4.51:1)
  • AAA: or shift the background to #333333 (7.3:1)
Aaon black
12.13:1passpasspassPasses 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 #b4d13d 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 #b4d13d
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 #b4d13d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4d13d-b5bea2-4e77df-242d1f-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