Color

#66937c

#66937c
hex#66937c
rgbrgb(102, 147, 124)
hslhsl(149, 18%, 49%)
oklchoklch(0.624 0.06 161.7)
Closest name: Aloe Vera (#678779)Relative luminance 0.2515

Colors that go with #66937c

Charcoal, Copper and Blush Pink 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.

Real palettes that use #66937c

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#93667e

#679366 · #669393

#7c6693 · #937c66

Split-complementary

Open in tool →

#936693 · #936667

#666793 · #93667e · #939366

Contrast

#66937c as textRatioAAAA largeAAAFix
Aaon white
3.48:1failpassfail
  • AA: use #587e6a as the text (4.56:1)
  • AAA: use #415d4f as the text (7.23:1)
  • AA: or shift the background to #212121 (4.62:1)
Aaon black
6.03:1passpassfail
  • AAA: use #759f89 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #66937c 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 #66937c
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 #66937c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66937c-a2beb3-d459d4-1f2d2c-e9f1e9?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