Color

#428a2e

#428a2e
hex#428a2e
rgbrgb(66, 138, 46)
hslhsl(107, 50%, 36%)
oklchoklch(0.567 0.146 139.5)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.1953

Colors that go with #428a2e

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 →

#762e8a

#708a2e · #2e8a48

#2e428a · #8a2e42

Split-complementary

Open in tool →

#482e8a · #8a2e70

#2e708a · #762e8a · #8a482e

Contrast

#428a2e as textRatioAAAA largeAAAFix
Aaon white
4.28:1failpassfail
  • AA: use #40862d as the text (4.5:1)
  • AAA: use #306321 as the text (7.16:1)
  • AA: or shift the background to #0d0d0d (4.54:1)
Aaon black
4.91:1passpassfail
  • AAA: use #52ac39 as the text (7.32:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #428a2e 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 #428a2e
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 #428a2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/428a2e-a5bea2-7a4edf-1f2d22-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