Color

#669d48

#669d48
hex#669d48
rgbrgb(102, 157, 72)
hslhsl(99, 37%, 45%)
oklchoklch(0.638 0.131 135.7)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2741

Colors that go with #669d48

Charcoal, Blue and Crimson 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 →

#7f489d

#909d48 · #489d55

#48669d · #9d4866

Split-complementary

Open in tool →

#55489d · #9d4890

#48909d · #7f489d · #9d5548

Contrast

#669d48 as textRatioAAAA largeAAAFix
Aaon white
3.24:1failpassfail
  • AA: use #54813b as the text (4.58:1)
  • AAA: use #3f622d as the text (7.01:1)
  • AA: or shift the background to #262626 (4.67:1)
Aaon black
6.48:1passpassfail
  • AAA: use #6ba44c as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #669d48 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 #669d48
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 #669d48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/669d48-a8bea2-664edf-1f2d21-f0f1e9?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