Color

#377477

#377477
hex#377477
rgbrgb(55, 116, 119)
hslhsl(183, 37%, 34%)
oklchoklch(0.52 0.063 199.7)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1463

Colors that go with #377477

Charcoal, Rust and Champagne 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 #377477

Tints & shades

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

Harmonies

Complementary

Open in tool →

#773a37

#37775a · #375377

#773774 · #747737

Split-complementary

Open in tool →

#773753 · #775a37

#5a3777 · #773a37 · #537737

Contrast

#377477 as textRatioAAAA largeAAAFix
Aaon white
5.35:1passpassfail
  • AAA: use #2d5f62 as the text (7.18:1)
Aaon black
3.93:1failpassfail
  • AA: use #3d8185 as the text (4.68:1)
  • AAA: use #4da3a8 as the text (7.12:1)
  • AA: or shift the background to #ededed (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 #377477 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#377477 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #377477
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 #377477 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/377477-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