Color

#c1ca3f

#c1ca3f
hex#c1ca3f
rgbrgb(193, 202, 63)
hslhsl(64, 57%, 52%)
oklchoklch(0.807 0.157 113.1)
Closest name: Celery (#b4c04c)Relative luminance 0.5394

Colors that go with #c1ca3f

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 →

#483fca

#ca8e3f · #7bca3f

#3fc1ca · #ca3fc1

Split-complementary

Open in tool →

#3f7bca · #8e3fca

#3fca8e · #483fca · #ca3f7b

Contrast

#c1ca3f as textRatioAAAA largeAAAFix
Aaon white
1.78:1failfailfail
  • AA: use #727821 as the text (4.75:1)
  • AAA: use #585c19 as the text (7.09:1)
  • AA: or shift the background to #4f4f4f (4.6:1)
  • AAA: or shift the background to #333333 (7.09:1)
Aaon black
11.79:1passpasspassPasses 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 #c1ca3f 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 #c1ca3f
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 #c1ca3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c1ca3f-b9bea2-4e8adf-262d1f-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