Color

#c4d80e

#c4d80e
hex#c4d80e
rgbrgb(196, 216, 14)
hslhsl(66, 88%, 45%)
oklchoklch(0.838 0.19 116.3)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.6088

Colors that go with #c4d80e

Charcoal, Cornflower Blue and Crimson 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 →

#220ed8

#d8870e · #5fd80e

#0ec4d8 · #d80ec4

Split-complementary

Open in tool →

#0e5fd8 · #870ed8

#0ed887 · #220ed8 · #d80e5f

Contrast

#c4d80e as textRatioAAAA largeAAAFix
Aaon white
1.59:1failfailfail
  • AA: use #717d08 as the text (4.53:1)
  • AAA: use #535b06 as the text (7.33:1)
  • AA: or shift the background to #575757 (4.53:1)
  • AAA: or shift the background to #3b3b3b (7.03:1)
Aaon black
13.18:1passpasspassPasses 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 #c4d80e 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 #c4d80e
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 #c4d80e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c4d80e-b8bea2-4e86df-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