Color

#378000

#378000
hex#378000
rgbrgb(55, 128, 0)
hslhsl(94, 100%, 25%)
oklchoklch(0.532 0.161 137.1)
Closest name: green (#008000)Relative luminance 0.1625

Colors that go with #378000

Charcoal, Royal Blue and Crimson 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 →

#480080

#778000 · #008009

#003780 · #800037

Split-complementary

Open in tool →

#080080 · #800077

#007780 · #480080 · #800800

Contrast

#378000 as textRatioAAAA largeAAAFix
Aaon white
4.94:1passpassfail
  • AAA: use #2a6100 as the text (7.48:1)
Aaon black
4.25:1failpassfail
  • AA: use #398500 as the text (4.53:1)
  • AAA: use #4bad00 as the text (7.28:1)
  • AA: or shift the background to #f5f5f5 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #378000 as the background.

Brands using this color

Fonts for this mood

#378000 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #378000
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 #378000 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/378000-abbea2-5a4edf-1f2d1f-f0f1e9?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