Color

#428047

#428047
hex#428047
rgbrgb(66, 128, 71)
hslhsl(125, 32%, 38%)
oklchoklch(0.543 0.108 145.6)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1705

Colors that go with #428047

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 →

#80427b

#5c8042 · #428066

#474280 · #804742

Split-complementary

Open in tool →

#664280 · #80425c

#425c80 · #80427b · #806642

Contrast

#428047 as textRatioAAAA largeAAAFix
Aaon white
4.76:1passpassfail
  • AAA: use #326236 as the text (7.15:1)
Aaon black
4.41:1failpassfail
  • AA: use #448349 as the text (4.59:1)
  • AAA: use #57a85e as the text (7.17:1)
  • AA: or shift the background to #fafafa (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #428047 as the background.

Brands using this color

mcpConnect your agent — build around #428047
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 #428047 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/428047-a2bea7-a54edf-1f2d26-ecf1e9?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