Color

#c9db43

#c9db43
hex#c9db43
rgbrgb(201, 219, 67)
hslhsl(67, 68%, 56%)
oklchoklch(0.851 0.171 116)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.6349

Colors that go with #c9db43

Charcoal, Cornflower 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 →

#5443db

#dba143 · #7ddb43

#43c9db · #db43c9

Split-complementary

Open in tool →

#437ddb · #a143db

#43dba1 · #5443db · #db437d

Contrast

#c9db43 as textRatioAAAA largeAAAFix
Aaon white
1.53:1failfailfail
  • AA: use #717c18 as the text (4.57:1)
  • AAA: use #555e12 as the text (7.01:1)
  • AA: or shift the background to #595959 (4.57:1)
  • AAA: or shift the background to #3d3d3d (7.08:1)
Aaon black
13.7:1passpasspassPasses 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 #c9db43 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 #c9db43
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 #c9db43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c9db43-b8bea2-4e83df-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