Color

#377376

#377376
hex#377376
rgbrgb(55, 115, 118)
hslhsl(183, 36%, 34%)
oklchoklch(0.517 0.062 199.8)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1438

Colors that go with #377376

Charcoal, Rust 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 →

#763b37

#37765a · #375476

#763773 · #737637

Split-complementary

Open in tool →

#763754 · #765a37

#5a3776 · #763b37 · #547637

Contrast

#377376 as textRatioAAAA largeAAAFix
Aaon white
5.42:1passpassfail
  • AAA: use #2e5f61 as the text (7.18:1)
Aaon black
3.88:1failpassfail
  • AA: use #3e8084 as the text (4.63:1)
  • AAA: use #4ea2a6 as the text (7.04:1)
  • AA: or shift the background to #ebebeb (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #377376 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#377376 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #377376
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 #377376 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/377376-a2b9be-d4598e-1f262d-e9f1ee?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