Color

#b5cb43

#b5cb43
hex#b5cb43
rgbrgb(181, 203, 67)
hslhsl(70, 57%, 53%)
oklchoklch(0.8 0.16 118.1)
Closest name: Celery (#b4c04c)Relative luminance 0.5294

Colors that go with #b5cb43

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 →

#5a43cb

#cb9e43 · #70cb43

#43b5cb · #cb43b5

Split-complementary

Open in tool →

#4370cb · #9e43cb

#43cb9e · #5a43cb · #cb4370

Contrast

#b5cb43 as textRatioAAAA largeAAAFix
Aaon white
1.81:1failfailfail
  • AA: use #6d7c22 as the text (4.61:1)
  • AAA: use #515c19 as the text (7.25:1)
  • AA: or shift the background to #4f4f4f (4.52:1)
  • AAA: or shift the background to #303030 (7.28:1)
Aaon black
11.59:1passpasspassPasses 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 #b5cb43 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 #b5cb43
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 #b5cb43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5cb43-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