Color

#c9cd0a

#c9cd0a
hex#c9cd0a
rgbrgb(201, 205, 10)
hslhsl(61, 91%, 42%)
oklchoklch(0.818 0.179 111.2)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.561

Colors that go with #c9cd0a

Charcoal, Deep Sky Blue and Cornflower 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 →

#0d0acd

#cd6e0a · #68cd0a

#0ac9cd · #cd0ac9

Split-complementary

Open in tool →

#0a68cd · #6e0acd

#0acd6e · #0d0acd · #cd0a68

Contrast

#c9cd0a as textRatioAAAA largeAAAFix
Aaon white
1.72:1failfailfail
  • AA: use #787a06 as the text (4.58:1)
  • AAA: use #565804 as the text (7.52:1)
  • AA: or shift the background to #525252 (4.55:1)
  • AAA: or shift the background to #363636 (7.03:1)
Aaon black
12.22:1passpasspassPasses 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 #c9cd0a 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 #c9cd0a
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 #c9cd0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c9cd0a-babea2-4e92df-272d1f-f1ede9?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