Color

#37766f

#37766f
hex#37766f
rgbrgb(55, 118, 111)
hslhsl(173, 36%, 34%)
oklchoklch(0.522 0.066 185.8)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1492

Colors that go with #37766f

Charcoal, Amber and Champagne 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.

Real palettes that use #37766f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#76373f

#37764f · #375e76

#6f3776 · #766f37

Split-complementary

Open in tool →

#76375e · #764f37

#4f3776 · #76373f · #5e7637

Contrast

#37766f as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #2e615b as the text (7.05:1)
Aaon black
3.98:1failpassfail
  • AA: use #3c8078 as the text (4.55:1)
  • AAA: use #4da399 as the text (7.01:1)
  • AA: or shift the background to #ededed (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37766f as the background.

Brands using this color

mcpConnect your agent — build around #37766f
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 #37766f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37766f-a2bebe-d459a3-1f292d-e9f1ec?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