Color

#c3eb66

#c3eb66
hex#c3eb66
rgbrgb(195, 235, 102)
hslhsl(78, 77%, 66%)
oklchoklch(0.885 0.166 123.8)
Closest name: Cucumber Milk (#c2f177)Relative luminance 0.7198

Colors that go with #c3eb66

Charcoal, Plum and Blue 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 →

#8e66eb

#ebd066 · #80eb66

#66c3eb · #eb66c3

Split-complementary

Open in tool →

#6680eb · #d066eb

#66ebd0 · #8e66eb · #eb6680

Contrast

#c3eb66 as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #5d7e10 as the text (4.71:1)
  • AAA: use #465f0c as the text (7.23:1)
  • AA: or shift the background to #616161 (4.54:1)
  • AAA: or shift the background to #454545 (7.03:1)
Aaon black
15.4:1passpasspassPasses 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 #c3eb66 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 #c3eb66
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 #c3eb66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c3eb66-b2bea2-4e69df-232d1f-f1f0e9?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