Color

#b5ca58

#b5ca58
hex#b5ca58
rgbrgb(181, 202, 88)
hslhsl(71, 52%, 57%)
oklchoklch(0.8 0.142 118.5)
Closest name: Celery (#b4c04c)Relative luminance 0.5277

Colors that go with #b5ca58

Charcoal, Deep Sky Blue and Emerald Green 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 →

#6d58ca

#caa658 · #7cca58

#58b5ca · #ca58b5

Split-complementary

Open in tool →

#587cca · #a658ca

#58caa6 · #6d58ca · #ca587c

Contrast

#b5ca58 as textRatioAAAA largeAAAFix
Aaon white
1.82:1failfailfail
  • AA: use #6c7c27 as the text (4.62:1)
  • AAA: use #515d1d as the text (7.16:1)
  • AA: or shift the background to #4f4f4f (4.51:1)
  • AAA: or shift the background to #303030 (7.26:1)
Aaon black
11.55:1passpasspassPasses 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 #b5ca58 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 #b5ca58
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 #b5ca58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5ca58-b6bea2-4e7adf-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