Color

#37776f

#37776f
hex#37776f
rgbrgb(55, 119, 111)
hslhsl(173, 37%, 34%)
oklchoklch(0.525 0.067 184.6)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1515

Colors that go with #37776f

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 #37776f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#77373e

#37774f · #375e77

#6f3777 · #776f37

Split-complementary

Open in tool →

#77375e · #774f37

#4f3777 · #77373e · #5e7737

Contrast

#37776f as textRatioAAAA largeAAAFix
Aaon white
5.21:1passpassfail
  • AAA: use #2b5e58 as the text (7.38:1)
Aaon black
4.03:1failpassfail
  • AA: use #3b8179 as the text (4.6:1)
  • AAA: use #4ca49a as the text (7.08:1)
  • AA: or shift the background to #f0f0f0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37776f as the background.

Brands using this color

mcpConnect your agent — build around #37776f
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 #37776f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37776f-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