Color

#668f71

#668f71
hex#668f71
rgbrgb(102, 143, 113)
hslhsl(136, 17%, 48%)
oklchoklch(0.611 0.064 152.5)
Closest name: Aloe Vera (#678779)Relative luminance 0.2366

Colors that go with #668f71

Charcoal, Champagne and Copper 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 #668f71

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f6684

#6f8f66 · #668f85

#71668f · #8f7166

Split-complementary

Open in tool →

#85668f · #8f666f

#666f8f · #8f6684 · #8f8566

Contrast

#668f71 as textRatioAAAA largeAAAFix
Aaon white
3.66:1failpassfail
  • AA: use #597d63 as the text (4.63:1)
  • AAA: use #445f4b as the text (7.04:1)
  • AA: or shift the background to #1c1c1c (4.65:1)
Aaon black
5.73:1passpassfail
  • AAA: use #79a083 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668f71 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 #668f71
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 #668f71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668f71-a2bead-b959d4-1f2d29-ebf1e9?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