Color

#818c8d

#818c8d
hex#818c8d
rgbrgb(129, 140, 141)
hslhsl(185, 5%, 53%)
oklchoklch(0.631 0.013 203.4)
Closest name: Aluminium (#848789)Relative luminance 0.2535

Colors that go with #818c8d

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 #818c8d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8d8281

#818d88 · #81868d

#8d818c · #8c8d81

Split-complementary

Open in tool →

#8d8186 · #8d8881

#88818d · #8d8281 · #868d81

Contrast

#818c8d as textRatioAAAA largeAAAFix
Aaon white
3.46:1failpassfail
  • AA: use #6d7878 as the text (4.56:1)
  • AAA: use #525a5b as the text (7.07:1)
  • AA: or shift the background to #212121 (4.65:1)
Aaon black
6.07:1passpassfail
  • AAA: use #8f9899 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #818c8d 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

#818c8d reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #818c8d
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 #818c8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/818c8d-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