Color

#81979c

#81979c
hex#81979c
rgbrgb(129, 151, 156)
hslhsl(191, 12%, 56%)
oklchoklch(0.661 0.026 213)
Closest name: Cavolo Nero (#72939e)Relative luminance 0.292

Colors that go with #81979c

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 #81979c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9c8681

#819c94 · #818a9c

#9c8197 · #979c81

Split-complementary

Open in tool →

#9c818a · #9c9481

#94819c · #9c8681 · #8a9c81

Contrast

#81979c as textRatioAAAA largeAAAFix
Aaon white
3.07:1failpassfail
  • AA: use #63797e as the text (4.6:1)
  • AAA: use #4a5b5e as the text (7.12:1)
  • AA: or shift the background to #2b2b2b (4.61:1)
Aaon black
6.84:1passpassfail
  • AAA: use #849a9f as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #81979c 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

mcpConnect your agent — build around #81979c
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 #81979c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81979c-a2b6be-df4e7a-1f252d-e9f1ef?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