Color

#278245

#278245
hex#278245
rgbrgb(39, 130, 69)
hslhsl(140, 54%, 33%)
oklchoklch(0.538 0.127 150.4)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1683

Colors that go with #278245

Charcoal, Royal Blue 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 →

#822763

#368227 · #278272

#452782 · #824527

Split-complementary

Open in tool →

#722782 · #822736

#273682 · #822763 · #827227

Contrast

#278245 as textRatioAAAA largeAAAFix
Aaon white
4.81:1passpassfail
  • AAA: use #1d6234 as the text (7.37:1)
Aaon black
4.37:1failpassfail
  • AA: use #288647 as the text (4.59:1)
  • AAA: use #34ad5c as the text (7.28:1)
  • AA: or shift the background to #fafafa (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #278245 as the background.

Brands using this color

mcpConnect your agent — build around #278245
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 #278245 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/278245-a2beaf-c259d4-1f2d2a-ebf1e9?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