Color

#428059

#428059
hex#428059
rgbrgb(66, 128, 89)
hslhsl(142, 32%, 38%)
oklchoklch(0.547 0.089 154.5)
Closest name: Amazon (#387b54)Relative luminance 0.1732

Colors that go with #428059

Charcoal, Medium Violet Red and 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 →

#804269

#4a8042 · #428078

#594280 · #805942

Split-complementary

Open in tool →

#784280 · #80424a

#424a80 · #804269 · #807842

Contrast

#428059 as textRatioAAAA largeAAAFix
Aaon white
4.7:1passpassfail
  • AAA: use #326244 as the text (7.08:1)
Aaon black
4.46:1failpassfail
  • AA: use #44835b as the text (4.64:1)
  • AAA: use #55a572 as the text (7.01:1)
  • AA: or shift the background to #fafafa (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #428059 as the background.

Brands using this color

mcpConnect your agent — build around #428059
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 #428059 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/428059-a2beaf-c659d4-1f2d2a-eaf1e9?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