Color

#428a72

#428a72
hex#428a72
rgbrgb(66, 138, 114)
hslhsl(160, 35%, 40%)
oklchoklch(0.58 0.082 169.2)
Closest name: Elf (#1b8a6b)Relative luminance 0.2055

Colors that go with #428a72

Charcoal, Copper and Medium Violet Red 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 #428a72

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a425a

#428a4e · #427e8a

#72428a · #8a7242

Split-complementary

Open in tool →

#8a427e · #8a4e42

#4e428a · #8a425a · #7e8a42

Contrast

#428a72 as textRatioAAAA largeAAAFix
Aaon white
4.11:1failpassfail
  • AA: use #3d7f69 as the text (4.73:1)
  • AAA: use #2e6050 as the text (7.23:1)
  • AA: or shift the background to #121212 (4.56:1)
Aaon black
5.11:1passpassfail
  • AAA: use #50a589 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #428a72 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 #428a72
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 #428a72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/428a72-a2beb8-d459be-1f2c2d-e9f1eb?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