Color

#42856c

#42856c
hex#42856c
rgbrgb(66, 133, 108)
hslhsl(158, 34%, 39%)
oklchoklch(0.565 0.08 167)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.1902

Colors that go with #42856c

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 →

#85425a

#42854b · #427c85

#6c4285 · #856c42

Split-complementary

Open in tool →

#85427c · #854b42

#4b4285 · #85425a · #7c8542

Contrast

#42856c as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #40826a as the text (4.55:1)
  • AAA: use #2f604e as the text (7.23:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.8:1passpassfail
  • AAA: use #52a788 as the text (7.24:1)

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

tool url/palettes/new/42856c-a2beb7-d459c2-1f2c2d-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