Color

#a9b5bc

#a9b5bc
hex#a9b5bc
rgbrgb(169, 181, 188)
hslhsl(202, 12%, 70%)
oklchoklch(0.766 0.017 233.1)
Closest name: Casper (#aab5b8)Relative luminance 0.4511

Colors that go with #a9b5bc

Charcoal, Blue and Champagne 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 →

#bcb0a9

#a9bcb9 · #a9acbc

#bca9b5 · #b5bca9

Split-complementary

Open in tool →

#bca9ac · #bcb9a9

#b9a9bc · #bcb0a9 · #acbca9

Contrast

#a9b5bc as textRatioAAAA largeAAAFix
Aaon white
2.1:1failfailfail
  • AA: use #677983 as the text (4.53:1)
  • AAA: use #4c5961 as the text (7.22:1)
  • AA: or shift the background to #454545 (4.58:1)
  • AAA: or shift the background to #262626 (7.22:1)
Aaon black
10.02:1passpasspassPasses 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 #a9b5bc 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

#a9b5bc reads as cool, muted, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a9b5bc
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 #a9b5bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a9b5bc-9cb1c4-df4e5f-1f222d-e9f1f0?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