Color

#377276

#377276
hex#377276
rgbrgb(55, 114, 118)
hslhsl(184, 36%, 34%)
oklchoklch(0.514 0.062 201.3)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1415

Colors that go with #377276

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 →

#763c37

#37765b · #375376

#763772 · #727637

Split-complementary

Open in tool →

#763753 · #765b37

#5b3776 · #763c37 · #537637

Contrast

#377276 as textRatioAAAA largeAAAFix
Aaon white
5.48:1passpassfail
  • AAA: use #2e5e61 as the text (7.27:1)
Aaon black
3.83:1failpassfail
  • AA: use #3e7f84 as the text (4.57:1)
  • AAA: use #50a4aa as the text (7.23:1)
  • AA: or shift the background to #ebebeb (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #377276 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#377276 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #377276
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 #377276 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/377276-a2b9be-df4e8a-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