Color

#66f06f

#66f06f
hex#66f06f
rgbrgb(102, 240, 111)
hslhsl(124, 82%, 67%)
oklchoklch(0.851 0.209 144.6)
Closest name: Herbivore (#88ee77)Relative luminance 0.6629

Colors that go with #66f06f

Deep Sky Blue, Taupe and Violet 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 →

#f066e7

#a2f066 · #66f0b4

#6f66f0 · #f06f66

Split-complementary

Open in tool →

#b466f0 · #f066a2

#66a2f0 · #f066e7 · #f0b466

Contrast

#66f06f as textRatioAAAA largeAAAFix
Aaon white
1.47:1failfailfail
  • AA: use #0d8715 as the text (4.67:1)
  • AAA: use #0a6610 as the text (7.19:1)
  • AA: or shift the background to #5c5c5c (4.54:1)
  • AAA: or shift the background to #404040 (7.04:1)
Aaon black
14.26:1passpasspassPasses 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 #66f06f 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 #66f06f
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 #66f06f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66f06f-a2bea7-a24edf-1f2d26-edf1e9?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