Color

#668a7a

#668a7a
hex#668a7a
rgbrgb(102, 138, 122)
hslhsl(153, 15%, 47%)
oklchoklch(0.601 0.047 165.7)
Closest name: Aloe Vera (#678779)Relative luminance 0.2241

Colors that go with #668a7a

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.

Real palettes that use #668a7a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a6676

#668a68 · #66888a

#7a668a · #8a7a66

Split-complementary

Open in tool →

#8a6688 · #8a6866

#68668a · #8a6676 · #888a66

Contrast

#668a7a as textRatioAAAA largeAAAFix
Aaon white
3.83:1failpassfail
  • AA: use #5b7b6d as the text (4.67:1)
  • AAA: use #455e53 as the text (7.05:1)
  • AA: or shift the background to #1a1a1a (4.54:1)
Aaon black
5.48:1passpassfail
  • AAA: use #7b9d8e as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668a7a 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 #668a7a
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 #668a7a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668a7a-a2beb5-d459cc-1f2d2d-e9f1ea?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