Color

#858d81

#858d81
hex#858d81
rgbrgb(133, 141, 129)
hslhsl(100, 5%, 53%)
oklchoklch(0.633 0.02 135)
Closest name: Argent (#888888)Relative luminance 0.2562

Colors that go with #858d81

Charcoal, Blush Pink and Burlywood 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 #858d81

Tints & shades

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

Harmonies

Complementary

Open in tool →

#89818d

#8b8d81 · #818d83

#81858d · #8d8185

Split-complementary

Open in tool →

#83818d · #8d818b

#818b8d · #89818d · #8d8381

Contrast

#858d81 as textRatioAAAA largeAAAFix
Aaon white
3.43:1failpassfail
  • AA: use #71786d as the text (4.56:1)
  • AAA: use #535850 as the text (7.29:1)
  • AA: or shift the background to #242424 (4.53:1)
Aaon black
6.12:1passpassfail
  • AAA: use #92998f as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #858d81 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

Fonts for this mood

#858d81 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #858d81
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 #858d81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/858d81-a2beb0-c859d4-1f2d2b-eaf1e9?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