Color

#378d02

#378d02
hex#378d02
rgbrgb(55, 141, 2)
hslhsl(97, 97%, 28%)
oklchoklch(0.568 0.176 138.2)
Closest name: Forest Green (#228b22)Relative luminance 0.1987

Colors that go with #378d02

Royal Blue, Dark Orchid and Medium Violet Red 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 →

#58028d

#7c8d02 · #028d12

#02378d · #8d0237

Split-complementary

Open in tool →

#12028d · #8d027c

#027c8d · #58028d · #8d1202

Contrast

#378d02 as textRatioAAAA largeAAAFix
Aaon white
4.22:1failpassfail
  • AA: use #338302 as the text (4.79:1)
  • AAA: use #276402 as the text (7.22:1)
  • AA: or shift the background to #0f0f0f (4.54:1)
Aaon black
4.97:1passpassfail
  • AAA: use #43ab03 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #378d02 as the background.

Brands using this color

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

Fonts for this mood

#378d02 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #378d02
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 #378d02 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/378d02-a9bea2-624edf-1f2d20-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