Color

#666e07

#666e07
hex#666e07
rgbrgb(102, 110, 7)
hslhsl(65, 88%, 23%)
oklchoklch(0.514 0.114 114.7)
Closest name: darkolivegreen (#556b2f)Relative luminance 0.1399

Colors that go with #666e07

Charcoal, Blue Violet 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 #666e07

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10076e

#6e4307 · #326e07

#07666e · #6e0766

Split-complementary

Open in tool →

#07326e · #43076e

#076e43 · #10076e · #6e0732

Contrast

#666e07 as textRatioAAAA largeAAAFix
Aaon white
5.53:1passpassfail
  • AAA: use #545b06 as the text (7.3:1)
Aaon black
3.8:1failpassfail
  • AA: use #737d08 as the text (4.67:1)
  • AAA: use #929e0a as the text (7.12:1)
  • AA: or shift the background to #e8e8e8 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #666e07 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#666e07 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #666e07
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 #666e07 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/666e07-b8bea2-4e88df-262d1f-f1eee9?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