Color

#a5b1ac

#a5b1ac
hex#a5b1ac
rgbrgb(165, 177, 172)
hslhsl(155, 7%, 67%)
oklchoklch(0.749 0.015 169.1)
Closest name: Alpine Air (#a9b4a9)Relative luminance 0.4242

Colors that go with #a5b1ac

Charcoal, Blue and Blush Pink 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 #a5b1ac

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b1a5aa

#a5b1a6 · #a5b0b1

#aca5b1 · #b1aca5

Split-complementary

Open in tool →

#b1a5b0 · #b1a6a5

#a6a5b1 · #b1a5aa · #b0b1a5

Contrast

#a5b1ac as textRatioAAAA largeAAAFix
Aaon white
2.21:1failfailfail
  • AA: use #687872 as the text (4.65:1)
  • AAA: use #4e5a55 as the text (7.2:1)
  • AA: or shift the background to #424242 (4.54:1)
  • AAA: or shift the background to #242424 (7.01:1)
Aaon black
9.48:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a5b1ac as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#a5b1ac reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a5b1ac
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 #a5b1ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a5b1ac-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