Color

#cef62c

#cef62c
hex#cef62c
rgbrgb(206, 246, 44)
hslhsl(72, 92%, 57%)
oklchoklch(0.913 0.21 121.2)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7922

Colors that go with #cef62c

Blue, Crimson and Red 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 →

#552cf6

#f6ba2c · #69f62c

#2ccef6 · #f62cce

Split-complementary

Open in tool →

#2c69f6 · #ba2cf6

#2cf6ba · #552cf6 · #f62c69

Contrast

#cef62c as textRatioAAAA largeAAAFix
Aaon white
1.25:1failfailfail
  • AA: use #677f05 as the text (4.55:1)
  • AAA: use #4b5d04 as the text (7.33:1)
  • AA: or shift the background to #666666 (4.61:1)
  • AAA: or shift the background to #4a4a4a (7.11:1)
Aaon black
16.84:1passpasspassPasses 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 #cef62c as the background.

Brands using this color

mcpConnect your agent — build around #cef62c
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 #cef62c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cef62c-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