Color

#668e5d

#668e5d
hex#668e5d
rgbrgb(102, 142, 93)
hslhsl(109, 21%, 46%)
oklchoklch(0.604 0.085 139.9)
Closest name: Illuminati Green (#419168)Relative luminance 0.2296

Colors that go with #668e5d

Charcoal, Burlywood 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 #668e5d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#855d8e

#7e8e5d · #5d8e6c

#5d668e · #8e5d66

Split-complementary

Open in tool →

#6c5d8e · #8e5d7e

#5d7e8e · #855d8e · #8e6c5d

Contrast

#668e5d as textRatioAAAA largeAAAFix
Aaon white
3.76:1failpassfail
  • AA: use #5b7f53 as the text (4.56:1)
  • AAA: use #45603e as the text (7.01:1)
  • AA: or shift the background to #1c1c1c (4.54:1)
Aaon black
5.59:1passpassfail
  • AAA: use #77a06e as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668e5d 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 #668e5d
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 #668e5d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668e5d-a4bea2-7e4edf-1f2d23-eef1e9?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