Color

#428a83

#428a83
hex#428a83
rgbrgb(66, 138, 131)
hslhsl(174, 35%, 40%)
oklchoklch(0.585 0.073 187)
Closest name: Highlands (#449084)Relative luminance 0.2097

Colors that go with #428a83

Charcoal, Copper 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.

Real palettes that use #428a83

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8a4249

#428a5f · #426d8a

#83428a · #8a8342

Split-complementary

Open in tool →

#8a426d · #8a5f42

#5f428a · #8a4249 · #6d8a42

Contrast

#428a83 as textRatioAAAA largeAAAFix
Aaon white
4.04:1failpassfail
  • AA: use #3d7f79 as the text (4.66:1)
  • AAA: use #2e605b as the text (7.14:1)
  • AA: or shift the background to #141414 (4.56:1)
Aaon black
5.19:1passpassfail
  • AAA: use #50a59d as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #428a83 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #428a83
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 #428a83 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/428a83-a2bebe-d459a1-1f292d-e9f1ed?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