Color

#66868a

#66868a
hex#66868a
rgbrgb(102, 134, 138)
hslhsl(187, 15%, 47%)
oklchoklch(0.597 0.037 205.7)
Closest name: Arctic (#648589)Relative luminance 0.2171

Colors that go with #66868a

Charcoal, Copper and Champagne 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 →

#8a6a66

#668a7c · #66748a

#8a6686 · #868a66

Split-complementary

Open in tool →

#8a6674 · #8a7c66

#7c668a · #8a6a66 · #748a66

Contrast

#66868a as textRatioAAAA largeAAAFix
Aaon white
3.93:1failpassfail
  • AA: use #5d7a7e as the text (4.61:1)
  • AAA: use #455b5e as the text (7.21:1)
  • AA: or shift the background to #171717 (4.56:1)
Aaon black
5.34:1passpassfail
  • AAA: use #7e9ca0 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #66868a 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 #66868a
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 #66868a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66868a-a2b8be-df4e83-1f262d-e9f1ee?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