Color

#377675

#377675
hex#377675
rgbrgb(55, 118, 117)
hslhsl(179, 36%, 34%)
oklchoklch(0.524 0.065 194)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1505

Colors that go with #377675

Charcoal, Firebrick 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#763739

#377656 · #375876

#753776 · #767537

Split-complementary

Open in tool →

#763758 · #765637

#563776 · #763739 · #587637

Contrast

#377675 as textRatioAAAA largeAAAFix
Aaon white
5.24:1passpassfail
  • AAA: use #2e6160 as the text (7.01:1)
Aaon black
4.01:1failpassfail
  • AA: use #3c807f as the text (4.59:1)
  • AAA: use #4da3a2 as the text (7.08:1)
  • AA: or shift the background to #f0f0f0 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #377675 as the background.

Brands using this color

mcpConnect your agent — build around #377675
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 #377675 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/377675-a2bbbe-d45996-1f272d-e9f1ed?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