Color

#428545

#428545
hex#428545
rgbrgb(66, 133, 69)
hslhsl(123, 34%, 39%)
oklchoklch(0.556 0.118 144.7)
Closest name: Beanpole (#4e8747)Relative luminance 0.1836

Colors that go with #428545

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 →

#854282

#608542 · #428567

#454285 · #854542

Split-complementary

Open in tool →

#674285 · #854260

#426085 · #854282 · #856742

Contrast

#428545 as textRatioAAAA largeAAAFix
Aaon white
4.49:1failpassfail
  • AA: use #408243 as the text (4.67:1)
  • AAA: use #316333 as the text (7.09:1)
  • AA: or shift the background to #050505 (4.53:1)
Aaon black
4.67:1passpassfail
  • AAA: use #52a757 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #428545 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 #428545
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 #428545 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/428545-a2bea6-a04edf-1f2d26-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