Color

#668e2f

#668e2f
hex#668e2f
rgbrgb(102, 142, 47)
hslhsl(85, 50%, 37%)
oklchoklch(0.597 0.132 129.3)
Closest name: olivedrab (#6b8e23)Relative luminance 0.2238

Colors that go with #668e2f

Charcoal, Crimson and Dark Orchid 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#562f8e

#8e862f · #378e2f

#2f668e · #8e2f66

Split-complementary

Open in tool →

#2f378e · #862f8e

#2f8e86 · #562f8e · #8e2f37

Contrast

#668e2f as textRatioAAAA largeAAAFix
Aaon white
3.84:1failpassfail
  • AA: use #5b7e2a as the text (4.71:1)
  • AAA: use #456020 as the text (7.13:1)
  • AA: or shift the background to #1a1a1a (4.54:1)
Aaon black
5.48:1passpassfail
  • AAA: use #77a437 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668e2f 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 #668e2f
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 #668e2f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668e2f-afbea2-4e58df-212d1f-f1f0e9?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