Color

#428d34

#428d34
hex#428d34
rgbrgb(66, 141, 52)
hslhsl(111, 46%, 38%)
oklchoklch(0.575 0.145 140.6)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.2046

Colors that go with #428d34

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 →

#80348d

#6e8d34 · #348d54

#34428d · #8d3442

Split-complementary

Open in tool →

#54348d · #8d346e

#346e8d · #80348d · #8d5434

Contrast

#428d34 as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #3e8632 as the text (4.51:1)
  • AAA: use #2d6124 as the text (7.38:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.09:1passpassfail
  • AAA: use #50ab3f as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #428d34 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 #428d34
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 #428d34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/428d34-a3bea2-834edf-1f2d23-eef1e9?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