Color

#b4d043

#b4d043
hex#b4d043
rgbrgb(180, 208, 67)
hslhsl(72, 60%, 54%)
oklchoklch(0.811 0.166 120)
Closest name: Badass Grass (#b4da55)Relative luminance 0.5522

Colors that go with #b4d043

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 →

#5f43d0

#d0a643 · #6ed043

#43b4d0 · #d043b4

Split-complementary

Open in tool →

#436ed0 · #a643d0

#43d0a6 · #5f43d0 · #d0436e

Contrast

#b4d043 as textRatioAAAA largeAAAFix
Aaon white
1.74:1failfailfail
  • AA: use #6c7e20 as the text (4.52:1)
  • AAA: use #505e17 as the text (7.11:1)
  • AA: or shift the background to #4f4f4f (4.7:1)
  • AAA: or shift the background to #333333 (7.25:1)
Aaon black
12.04:1passpasspassPasses 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 #b4d043 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 #b4d043
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 #b4d043 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4d043-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