Color

#c4ec22

#c4ec22
hex#c4ec22
rgbrgb(196, 236, 34)
hslhsl(72, 84%, 53%)
oklchoklch(0.883 0.206 121.5)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7184

Colors that go with #c4ec22

Crimson, Red 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 →

#4b22ec

#ecaf22 · #5fec22

#22c4ec · #ec22c4

Split-complementary

Open in tool →

#225fec · #af22ec

#22ecaf · #4b22ec · #ec225f

Contrast

#c4ec22 as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #687f0b as the text (4.54:1)
  • AAA: use #4d5e08 as the text (7.19:1)
  • AA: or shift the background to #616161 (4.53:1)
  • AAA: or shift the background to #454545 (7.02:1)
Aaon black
15.37:1passpasspassPasses 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 #c4ec22 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 #c4ec22
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 #c4ec22 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c4ec22-b5bea2-4e77df-242d1f-f1efe9?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