Color

#66db85

#66db85
hex#66db85
rgbrgb(102, 219, 133)
hslhsl(136, 62%, 63%)
oklchoklch(0.802 0.161 150)
Closest name: Electric Lettuce (#7bd181)Relative luminance 0.5518

Colors that go with #66db85

Blue, Charcoal and Deep Sky 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 →

#db66bc

#81db66 · #66dbc0

#8566db · #db8566

Split-complementary

Open in tool →

#c066db · #db6681

#6681db · #db66bc · #dbc066

Contrast

#66db85 as textRatioAAAA largeAAAFix
Aaon white
1.74:1failfailfail
  • AA: use #20883c as the text (4.52:1)
  • AAA: use #17632b as the text (7.35:1)
  • AA: or shift the background to #4f4f4f (4.69:1)
  • AAA: or shift the background to #333333 (7.24:1)
Aaon black
12.04:1passpasspassPasses 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 #66db85 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 #66db85
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 #66db85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66db85-a2bead-b959d4-1f2d29-ebf1e9?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