Color

#42854c

#42854c
hex#42854c
rgbrgb(66, 133, 76)
hslhsl(129, 34%, 39%)
oklchoklch(0.558 0.111 147.1)
Closest name: Beanpole (#4e8747)Relative luminance 0.1846

Colors that go with #42854c

Charcoal, Royal Blue and Copper 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 →

#85427b

#598542 · #42856e

#4c4285 · #854c42

Split-complementary

Open in tool →

#6e4285 · #854259

#425985 · #85427b · #856e42

Contrast

#42854c as textRatioAAAA largeAAAFix
Aaon white
4.48:1failpassfail
  • AA: use #40824a as the text (4.66:1)
  • AAA: use #316338 as the text (7.06:1)
  • AA: or shift the background to #050505 (4.55:1)
Aaon black
4.69:1passpassfail
  • AAA: use #52a75f as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42854c as the background.

Brands using this color

mcpConnect your agent — build around #42854c
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 #42854c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42854c-a2bea9-ae4edf-1f2d27-ecf1e9?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