Color

#37766e

#37766e
hex#37766e
rgbrgb(55, 118, 110)
hslhsl(172, 36%, 34%)
oklchoklch(0.522 0.066 184.5)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1489

Colors that go with #37766e

Charcoal, Medium Violet Red and Amber 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 #37766e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#763740

#37764e · #375f76

#6e3776 · #766e37

Split-complementary

Open in tool →

#76375f · #764e37

#4e3776 · #763740 · #5f7637

Contrast

#37766e as textRatioAAAA largeAAAFix
Aaon white
5.28:1passpassfail
  • AAA: use #2e615a as the text (7.06:1)
Aaon black
3.98:1failpassfail
  • AA: use #3c8077 as the text (4.55:1)
  • AAA: use #4da397 as the text (7:1)
  • AA: or shift the background to #ededed (4.51:1)

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

Brands using this color

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

tool url/palettes/new/37766e-a2bebe-d459a5-1f292d-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