Color

#66ff96

#66ff96
hex#66ff96
rgbrgb(102, 255, 150)
hslhsl(139, 100%, 70%)
oklchoklch(0.893 0.194 150.8)
Closest name: Illicit Green (#56fca2)Relative luminance 0.7655

Colors that go with #66ff96

Violet, 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 →

#ff66cf

#82ff66 · #66ffe3

#9666ff · #ff9666

Split-complementary

Open in tool →

#e366ff · #ff6682

#6682ff · #ff66cf · #ffe366

Contrast

#66ff96 as textRatioAAAA largeAAAFix
Aaon white
1.29:1failfailfail
  • AA: use #00852a as the text (4.79:1)
  • AAA: use #006620 as the text (7.19:1)
  • AA: or shift the background to #636363 (4.67:1)
  • AAA: or shift the background to #474747 (7.22:1)
Aaon black
16.31:1passpasspassPasses 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 #66ff96 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#66ff96 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #66ff96
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 #66ff96 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66ff96-a2beae-c059d4-1f2d2a-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