Color

#b1ca3f

#b1ca3f
hex#b1ca3f
rgbrgb(177, 202, 63)
hslhsl(71, 57%, 52%)
oklchoklch(0.795 0.163 119.1)
Closest name: Aromatic Herbs (#98c945)Relative luminance 0.5195

Colors that go with #b1ca3f

Cornflower Blue, Deep Sky Blue and Plum 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 →

#583fca

#ca9e3f · #6bca3f

#3fb1ca · #ca3fb1

Split-complementary

Open in tool →

#3f6bca · #9e3fca

#3fca9e · #583fca · #ca3f6b

Contrast

#b1ca3f as textRatioAAAA largeAAAFix
Aaon white
1.84:1failfailfail
  • AA: use #6c7c22 as the text (4.62:1)
  • AAA: use #505c19 as the text (7.28:1)
  • AA: or shift the background to #4d4d4d (4.58:1)
  • AAA: or shift the background to #303030 (7.16:1)
Aaon black
11.39:1passpasspassPasses 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 #b1ca3f 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 #b1ca3f
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 #b1ca3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b1ca3f-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