Color

#377b48

#377b48
hex#377b48
rgbrgb(55, 123, 72)
hslhsl(135, 38%, 35%)
oklchoklch(0.525 0.106 149.6)
Closest name: Autumn Crocodile (#447744)Relative luminance 0.1545

Colors that go with #377b48

Charcoal, Royal Blue and Dark Orchid 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 →

#7b376a

#487b37 · #377b6a

#48377b · #7b4837

Split-complementary

Open in tool →

#6a377b · #7b3748

#37487b · #7b376a · #7b6a37

Contrast

#377b48 as textRatioAAAA largeAAAFix
Aaon white
5.14:1passpassfail
  • AAA: use #2c633a as the text (7.11:1)
Aaon black
4.09:1failpassfail
  • AA: use #3c864e as the text (4.71:1)
  • AAA: use #4ca963 as the text (7.16:1)
  • AA: or shift the background to #f0f0f0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #377b48 as the background.

Brands using this color

mcpConnect your agent — build around #377b48
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 #377b48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/377b48-a2beac-b759d4-1f2d29-ebf1e9?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