Color

#668b4b

#668b4b
hex#668b4b
rgbrgb(102, 139, 75)
hslhsl(95, 30%, 42%)
oklchoklch(0.593 0.1 133.2)
Closest name: Hidden Paradise (#5e8b3d)Relative luminance 0.218

Colors that go with #668b4b

Charcoal, Blue and Burlywood 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 #668b4b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#704b8b

#868b4b · #4b8b50

#4b668b · #8b4b66

Split-complementary

Open in tool →

#504b8b · #8b4b86

#4b868b · #704b8b · #8b504b

Contrast

#668b4b as textRatioAAAA largeAAAFix
Aaon white
3.92:1failpassfail
  • AA: use #5c7e44 as the text (4.64:1)
  • AAA: use #466034 as the text (7.04:1)
  • AA: or shift the background to #171717 (4.58:1)
Aaon black
5.36:1passpassfail
  • AAA: use #77a257 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668b4b 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 #668b4b
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 #668b4b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668b4b-aabea2-5d4edf-1f2d20-f0f1e9?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