Color

#b4e73c

#b4e73c
hex#b4e73c
rgbrgb(180, 231, 60)
hslhsl(78, 78%, 57%)
oklchoklch(0.863 0.197 125.2)
Closest name: Inchworm (#b2ec5d)Relative luminance 0.6718

Colors that go with #b4e73c

Blue, Crimson and Red 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 →

#6f3ce7

#e7c53c · #5ee73c

#3cb4e7 · #e73cb4

Split-complementary

Open in tool →

#3c5ee7 · #c53ce7

#3ce7c5 · #6f3ce7 · #e73c5e

Contrast

#b4e73c as textRatioAAAA largeAAAFix
Aaon white
1.45:1failfailfail
  • AA: use #5e7f10 as the text (4.65:1)
  • AAA: use #465f0c as the text (7.23:1)
  • AA: or shift the background to #5c5c5c (4.6:1)
  • AAA: or shift the background to #404040 (7.13:1)
Aaon black
14.44:1passpasspassPasses 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 #b4e73c 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 #b4e73c
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 #b4e73c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4e73c-b2bea2-4e69df-232d1f-f1f0e9?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