Color

#b1ca2f

#b1ca2f
hex#b1ca2f
rgbrgb(177, 202, 47)
hslhsl(70, 62%, 49%)
oklchoklch(0.794 0.172 118.8)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5179

Colors that go with #b1ca2f

Cornflower Blue, Deep Sky Blue and Charcoal 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 →

#492fca

#ca972f · #63ca2f

#2fb1ca · #ca2fb1

Split-complementary

Open in tool →

#2f63ca · #972fca

#2fca97 · #492fca · #ca2f63

Contrast

#b1ca2f as textRatioAAAA largeAAAFix
Aaon white
1.85:1failfailfail
  • AA: use #6c7c1d as the text (4.63:1)
  • AAA: use #4f5b15 as the text (7.4:1)
  • AA: or shift the background to #4d4d4d (4.57:1)
  • AAA: or shift the background to #303030 (7.14:1)
Aaon black
11.36:1passpasspassPasses 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 #b1ca2f 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 #b1ca2f
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 #b1ca2f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b1ca2f-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