Color

#666e35

#666e35
hex#666e35
rgbrgb(102, 110, 53)
hslhsl(68, 35%, 32%)
oklchoklch(0.518 0.081 115.9)
Closest name: darkolivegreen (#556b2f)Relative luminance 0.1423

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d356e

#6e5935 · #4a6e35

#35676e · #6e3567

Split-complementary

Open in tool →

#354a6e · #59356e

#356e59 · #3d356e · #6e354a

Contrast

#666e35 as textRatioAAAA largeAAAFix
Aaon white
5.46:1passpassfail
  • AAA: use #535a2b as the text (7.33:1)
Aaon black
3.85:1failpassfail
  • AA: use #737c3c as the text (4.68:1)
  • AAA: use #939e4c as the text (7.24:1)
  • AA: or shift the background to #ebebeb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #666e35 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #666e35
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #666e35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/666e35-b7bea2-4e81df-252d1f-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