Color

#668585

#668585
hex#668585
rgbrgb(102, 133, 133)
hslhsl(180, 13%, 46%)
oklchoklch(0.593 0.035 196.2)
Closest name: Arctic (#648589)Relative luminance 0.2129

Colors that go with #668585

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 →

#856666

#668575 · #667585

#856685 · #858566

Split-complementary

Open in tool →

#856675 · #857566

#756685 · #856666 · #758566

Contrast

#668585 as textRatioAAAA largeAAAFix
Aaon white
3.99:1failpassfail
  • AA: use #5f7c7c as the text (4.51:1)
  • AAA: use #475c5c as the text (7.11:1)
  • AA: or shift the background to #141414 (4.61:1)
Aaon black
5.26:1passpassfail
  • AAA: use #7d9b9b as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668585 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 #668585
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 #668585 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668585-a2bbbe-d45994-1f272d-e9f1ed?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