Color

#428563

#428563
hex#428563
rgbrgb(66, 133, 99)
hslhsl(150, 34%, 39%)
oklchoklch(0.563 0.087 159.6)
Closest name: Elf (#1b8a6b)Relative luminance 0.1883

Colors that go with #428563

Charcoal, Medium Violet Red and Champagne 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 →

#854263

#428542 · #428585

#634285 · #856342

Split-complementary

Open in tool →

#854285 · #854242

#424285 · #854263 · #858542

Contrast

#428563 as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #408261 as the text (4.58:1)
  • AAA: use #2f6047 as the text (7.28:1)
  • AA: or shift the background to #080808 (4.55:1)
Aaon black
4.77:1passpassfail
  • AAA: use #52a77d as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #428563 as the background.

Brands using this color

mcpConnect your agent — build around #428563
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 #428563 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/428563-a2beb3-d459d2-1f2d2c-e9f1ea?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