Color

#668a71

#668a71
hex#668a71
rgbrgb(102, 138, 113)
hslhsl(138, 15%, 47%)
oklchoklch(0.599 0.055 154.2)
Closest name: Aloe Vera (#678779)Relative luminance 0.2219

Colors that go with #668a71

Charcoal, Blush Pink 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 #668a71

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a667f

#6d8a66 · #668a83

#71668a · #8a7166

Split-complementary

Open in tool →

#83668a · #8a666d

#666d8a · #8a667f · #8a8366

Contrast

#668a71 as textRatioAAAA largeAAAFix
Aaon white
3.86:1failpassfail
  • AA: use #5d7e67 as the text (4.52:1)
  • AAA: use #455e4d as the text (7.09:1)
  • AA: or shift the background to #1a1a1a (4.51:1)
Aaon black
5.44:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668a71 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 #668a71
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 #668a71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668a71-a2beae-be59d4-1f2d29-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