Color

#428c22

#428c22
hex#428c22
rgbrgb(66, 140, 34)
hslhsl(102, 61%, 34%)
oklchoklch(0.571 0.157 138.1)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.2003

Colors that go with #428c22

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 →

#6c228c

#768c22 · #228c37

#22428c · #8c2242

Split-complementary

Open in tool →

#37228c · #8c2276

#22768c · #6c228c · #8c3722

Contrast

#428c22 as textRatioAAAA largeAAAFix
Aaon white
4.19:1failpassfail
  • AA: use #3e8320 as the text (4.7:1)
  • AAA: use #2e6318 as the text (7.21:1)
  • AA: or shift the background to #0f0f0f (4.57:1)
Aaon black
5.01:1passpassfail
  • AAA: use #51ac2a as the text (7.28:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #428c22 as the background.

Brands using this color

mcpConnect your agent — build around #428c22
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 #428c22 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/428c22-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