Color

#278239

#278239
hex#278239
rgbrgb(39, 130, 57)
hslhsl(132, 54%, 33%)
oklchoklch(0.536 0.138 146.8)
Closest name: Broccoli Paradise (#008833)Relative luminance 0.1669

Colors that go with #278239

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 →

#82276f

#428227 · #278266

#392782 · #823927

Split-complementary

Open in tool →

#662782 · #822742

#274282 · #82276f · #826627

Contrast

#278239 as textRatioAAAA largeAAAFix
Aaon white
4.84:1passpassfail
  • AAA: use #1e662d as the text (7.01:1)
Aaon black
4.34:1failpassfail
  • AA: use #28863b as the text (4.56:1)
  • AAA: use #34ad4c as the text (7.23:1)
  • AA: or shift the background to #f7f7f7 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #278239 as the background.

Brands using this color

mcpConnect your agent — build around #278239
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 #278239 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/278239-a2beab-b64edf-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