Color

#428740

#428740
hex#428740
rgbrgb(66, 135, 64)
hslhsl(118, 36%, 39%)
oklchoklch(0.561 0.126 143.1)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.1886

Colors that go with #428740

Charcoal, Royal Blue and Dark Orchid 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 →

#854087

#668740 · #408761

#404287 · #874042

Split-complementary

Open in tool →

#614087 · #874066

#406687 · #854087 · #876140

Contrast

#428740 as textRatioAAAA largeAAAFix
Aaon white
4.4:1failpassfail
  • AA: use #40843e as the text (4.58:1)
  • AAA: use #2f612e as the text (7.32:1)
  • AA: or shift the background to #080808 (4.55:1)
Aaon black
4.77:1passpassfail
  • AAA: use #53aa50 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #428740 as the background.

Brands using this color

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

mcpConnect your agent — build around #428740
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 #428740 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/428740-a2bea4-944edf-1f2d25-edf1e9?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