Color

#668a42

#668a42
hex#668a42
rgbrgb(102, 138, 66)
hslhsl(90, 35%, 40%)
oklchoklch(0.589 0.108 131)
Closest name: Hidden Paradise (#5e8b3d)Relative luminance 0.214

Tints & shades

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

Harmonies

Complementary

Open in tool →

#66428a

#8a8a42 · #428a42

#42668a · #8a4266

Split-complementary

Open in tool →

#42428a · #8a428a

#428a8a · #66428a · #8a4242

Contrast

#668a42 as textRatioAAAA largeAAAFix
Aaon white
3.98:1failpassfail
  • AA: use #5e7f3d as the text (4.59:1)
  • AAA: use #47602e as the text (7.05:1)
  • AA: or shift the background to #171717 (4.51:1)
Aaon black
5.28:1passpassfail
  • AAA: use #78a24e as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #668a42 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 #668a42
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 #668a42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/668a42-adbea2-514edf-202d1f-f1f1e9?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