Color

#cef863

#cef863
hex#cef863
rgbrgb(206, 248, 99)
hslhsl(77, 91%, 68%)
oklchoklch(0.921 0.18 123.3)
Closest name: Cucumber Milk (#c2f177)Relative luminance 0.8116

Colors that go with #cef863

Plum, 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 →

#8d63f8

#f8d763 · #83f863

#63cef8 · #f863ce

Split-complementary

Open in tool →

#6383f8 · #d763f8

#63f8d7 · #8d63f8 · #f86383

Contrast

#cef863 as textRatioAAAA largeAAAFix
Aaon white
1.22:1failfailfail
  • AA: use #5c7f06 as the text (4.67:1)
  • AAA: use #476105 as the text (7.05:1)
  • AA: or shift the background to #696969 (4.5:1)
  • AAA: or shift the background to #4a4a4a (7.27:1)
Aaon black
17.23:1passpasspassPasses 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 #cef863 as the background.

Brands using this color

mcpConnect your agent — build around #cef863
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 #cef863 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cef863-b3bea2-4e6bdf-232d1f-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