Color

#b4ea1f

#b4ea1f
hex#b4ea1f
rgbrgb(180, 234, 31)
hslhsl(76, 83%, 52%)
oklchoklch(0.868 0.212 125)
Closest name: Inchworm (#b2ec5d)Relative luminance 0.6865

Colors that go with #b4ea1f

Crimson, Plum 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 →

#551fea

#eabb1f · #4eea1f

#1fb4ea · #ea1fb4

Split-complementary

Open in tool →

#1f4eea · #bb1fea

#1feabb · #551fea · #ea1f4e

Contrast

#b4ea1f as textRatioAAAA largeAAAFix
Aaon white
1.43:1failfailfail
  • AA: use #607e0c as the text (4.68:1)
  • AAA: use #475d09 as the text (7.4:1)
  • AA: or shift the background to #5e5e5e (4.55:1)
  • AAA: or shift the background to #424242 (7.05:1)
Aaon black
14.73:1passpasspassPasses 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 #b4ea1f 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 #b4ea1f
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 #b4ea1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4ea1f-b3bea2-4e6edf-232d1f-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