Color

#42856a

#42856a
hex#42856a
rgbrgb(66, 133, 106)
hslhsl(156, 34%, 39%)
oklchoklch(0.565 0.081 165.2)
Closest name: Elf (#1b8a6b)Relative luminance 0.1897

Colors that go with #42856a

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 →

#85425d

#428548 · #427f85

#6a4285 · #856a42

Split-complementary

Open in tool →

#85427f · #854842

#484285 · #85425d · #7f8542

Contrast

#42856a as textRatioAAAA largeAAAFix
Aaon white
4.38:1failpassfail
  • AA: use #408267 as the text (4.56:1)
  • AAA: use #2f604c as the text (7.25:1)
  • AA: or shift the background to #0a0a0a (4.52:1)
Aaon black
4.79:1passpassfail
  • AAA: use #52a785 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42856a 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 #42856a
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 #42856a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42856a-a2beb6-d459c6-1f2d2d-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