Color

#378628

#378628
hex#378628
rgbrgb(55, 134, 40)
hslhsl(110, 54%, 34%)
oklchoklch(0.551 0.151 140.7)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.1802

Colors that go with #378628

Charcoal, Crimson and Royal Blue 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 →

#762886

#668628 · #288647

#283786 · #862837

Split-complementary

Open in tool →

#472886 · #862866

#286686 · #762886 · #864728

Contrast

#378628 as textRatioAAAA largeAAAFix
Aaon white
4.56:1passpassfail
  • AAA: use #29621d as the text (7.34:1)
Aaon black
4.6:1passpassfail
  • AAA: use #48ad34 as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #378628 as the background.

Brands using this color

mcpConnect your agent — build around #378628
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 #378628 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/378628-a3bea2-814edf-1f2d23-eef1e9?lock=0&style=vibrant

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Machine-readable: color.md