Color

#668570

#668570
hex#668570
rgbrgb(102, 133, 112)
hslhsl(139, 13%, 46%)
oklchoklch(0.587 0.048 155.1)
Closest name: Aloe Vera (#678779)Relative luminance 0.2077

Colors that go with #668570

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 #668570

Tints & shades

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

Harmonies

Complementary

Open in tool →

#85667b

#6c8566 · #66857f

#706685 · #857066

Split-complementary

Open in tool →

#7f6685 · #85666c

#666c85 · #85667b · #857f66

Contrast

#668570 as textRatioAAAA largeAAAFix
Aaon white
4.07:1failpassfail
  • AA: use #5f7c68 as the text (4.6:1)
  • AAA: use #475c4e as the text (7.22:1)
  • AA: or shift the background to #141414 (4.52:1)
Aaon black
5.15:1passpassfail
  • AAA: use #809d89 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668570 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 #668570
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 #668570 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668570-a2beae-c059d4-1f2d2a-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