Color

#c4dc09

#c4dc09
hex#c4dc09
rgbrgb(196, 220, 9)
hslhsl(67, 92%, 45%)
oklchoklch(0.847 0.195 117.4)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.6294

Colors that go with #c4dc09

Cornflower Blue, 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 →

#2209dc

#dc8b09 · #5adc09

#09c4dc · #dc09c4

Split-complementary

Open in tool →

#095adc · #8b09dc

#09dc8b · #2209dc · #dc095a

Contrast

#c4dc09 as textRatioAAAA largeAAAFix
Aaon white
1.55:1failfailfail
  • AA: use #6d7a05 as the text (4.73:1)
  • AAA: use #535d04 as the text (7.15:1)
  • AA: or shift the background to #595959 (4.53:1)
  • AAA: or shift the background to #3d3d3d (7.03:1)
Aaon black
13.59:1passpasspassPasses 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 #c4dc09 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 #c4dc09
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 #c4dc09 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c4dc09-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