Color

#669a65

#669a65
hex#669a65
rgbrgb(102, 154, 101)
hslhsl(119, 21%, 50%)
oklchoklch(0.635 0.096 143.9)
Closest name: Bavarian Green (#749a54)Relative luminance 0.2688

Colors that go with #669a65

Charcoal, Blue and Blush Pink 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 →

#99659a

#809a65 · #659a7f

#65669a · #9a6566

Split-complementary

Open in tool →

#7f659a · #9a6580

#65809a · #99659a · #9a7f65

Contrast

#669a65 as textRatioAAAA largeAAAFix
Aaon white
3.29:1failpassfail
  • AA: use #537f53 as the text (4.64:1)
  • AAA: use #3f603e as the text (7.11:1)
  • AA: or shift the background to #262626 (4.59:1)
Aaon black
6.38:1passpassfail
  • AAA: use #72a271 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #669a65 as the background.

Brands using this color

mcpConnect your agent — build around #669a65
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 #669a65 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/669a65-a2bea5-964edf-1f2d25-edf1e9?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