Color

#669a04

#669a04
hex#669a04
rgbrgb(102, 154, 4)
hslhsl(81, 95%, 31%)
oklchoklch(0.625 0.166 129.6)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2594

Colors that go with #669a04

Charcoal, Crimson and Blue 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 →

#39049a

#9a8404 · #1a9a04

#04669a · #9a0466

Split-complementary

Open in tool →

#041a9a · #84049a

#049a84 · #39049a · #9a041a

Contrast

#669a04 as textRatioAAAA largeAAAFix
Aaon white
3.39:1failpassfail
  • AA: use #558103 as the text (4.64:1)
  • AAA: use #3e5e02 as the text (7.48:1)
  • AA: or shift the background to #242424 (4.57:1)
Aaon black
6.19:1passpassfail
  • AAA: use #6fa904 as the text (7.35:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #669a04 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 #669a04
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 #669a04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/669a04-b1bea2-4e62df-222d1f-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