Color

#428a24

#428a24
hex#428a24
rgbrgb(66, 138, 36)
hslhsl(102, 59%, 34%)
oklchoklch(0.566 0.153 138.2)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.1946

Colors that go with #428a24

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 →

#6b248a

#758a24 · #248a38

#24428a · #8a2442

Split-complementary

Open in tool →

#38248a · #8a2475

#24758a · #6b248a · #8a3824

Contrast

#428a24 as textRatioAAAA largeAAAFix
Aaon white
4.29:1failpassfail
  • AA: use #408623 as the text (4.51:1)
  • AAA: use #2f6119 as the text (7.38:1)
  • AA: or shift the background to #0d0d0d (4.53:1)
Aaon black
4.89:1passpassfail
  • AAA: use #52aa2c as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #428a24 as the background.

Brands using this color

mcpConnect your agent — build around #428a24
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 #428a24 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/428a24-a7bea2-6e4edf-1f2d21-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