Color

#278604

#278604
hex#278604
rgbrgb(39, 134, 4)
hslhsl(104, 94%, 27%)
oklchoklch(0.543 0.174 140.1)
Closest name: Green Bell Pepper (#228800)Relative luminance 0.1749

Colors that go with #278604

Royal Blue, Charcoal 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 →

#630486

#678604 · #048622

#042786 · #860427

Split-complementary

Open in tool →

#220486 · #860467

#046786 · #630486 · #862204

Contrast

#278604 as textRatioAAAA largeAAAFix
Aaon white
4.67:1passpassfail
  • AAA: use #1d6303 as the text (7.4:1)
Aaon black
4.5:1failpassfail
  • AA: use #288b04 as the text (4.79:1)
  • AAA: use #32ad05 as the text (7.12:1)
  • AA: or shift the background to #fcfcfc (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #278604 as the background.

Brands using this color

Fonts for this mood

#278604 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #278604
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 #278604 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/278604-a6bea2-724edf-1f2d22-eff1e9?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