Color

#378644

#378644
hex#378644
rgbrgb(55, 134, 68)
hslhsl(130, 42%, 37%)
oklchoklch(0.554 0.126 146.9)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.1828

Colors that go with #378644

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 →

#863779

#518637 · #37866c

#443786 · #864437

Split-complementary

Open in tool →

#6c3786 · #863751

#375186 · #863779 · #866c37

Contrast

#378644 as textRatioAAAA largeAAAFix
Aaon white
4.51:1passpassfail
  • AAA: use #286232 as the text (7.28:1)
Aaon black
4.66:1passpassfail
  • AAA: use #46aa56 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #378644 as the background.

Brands using this color

mcpConnect your agent — build around #378644
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 #378644 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/378644-a2beaa-b14edf-1f2d28-ecf1e9?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