Color

#b5ca2b

#b5ca2b
hex#b5ca2b
rgbrgb(181, 202, 43)
hslhsl(68, 65%, 48%)
oklchoklch(0.796 0.172 117.3)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5224

Colors that go with #b5ca2b

Deep Sky Blue, Cornflower Blue and Crimson 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.

Real palettes that use #b5ca2b

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#402bca

#ca902b · #65ca2b

#2bb5ca · #ca2bb5

Split-complementary

Open in tool →

#2b65ca · #902bca

#2bca90 · #402bca · #ca2b65

Contrast

#b5ca2b as textRatioAAAA largeAAAFix
Aaon white
1.83:1failfailfail
  • AA: use #6d7a1a as the text (4.72:1)
  • AAA: use #535d14 as the text (7.13:1)
  • AA: or shift the background to #4d4d4d (4.61:1)
  • AAA: or shift the background to #303030 (7.19:1)
Aaon black
11.45:1passpasspassPasses 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 #b5ca2b 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 #b5ca2b
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 #b5ca2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5ca2b-b7bea2-4e81df-252d1f-f1eee9?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