Color

#669e47

#669e47
hex#669e47
rgbrgb(102, 158, 71)
hslhsl(99, 38%, 45%)
oklchoklch(0.64 0.133 135.7)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2773

Colors that go with #669e47

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 →

#80479e

#919e47 · #479e54

#47669e · #9e4766

Split-complementary

Open in tool →

#54479e · #9e4791

#47919e · #80479e · #9e5447

Contrast

#669e47 as textRatioAAAA largeAAAFix
Aaon white
3.21:1failpassfail
  • AA: use #54823a as the text (4.53:1)
  • AAA: use #3d5f2b as the text (7.32:1)
  • AA: or shift the background to #292929 (4.54:1)
Aaon black
6.55:1passpassfail
  • AAA: use #6aa54a as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #669e47 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 #669e47
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 #669e47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/669e47-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