Color

#bbc9d3

#bbc9d3
hex#bbc9d3
rgbrgb(187, 201, 211)
hslhsl(205, 21%, 78%)
oklchoklch(0.828 0.021 238.7)
Closest name: Herring Silver (#c6c8cf)Relative luminance 0.5704

Colors that go with #bbc9d3

Charcoal, Crimson and Deep Sky Blue 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 #bbc9d3

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d3c5bb

#bbd3d1 · #bbbdd3

#d3bbc9 · #c9d3bb

Split-complementary

Open in tool →

#d3bbbd · #d3d1bb

#d1bbd3 · #d3c5bb · #bdd3bb

Contrast

#bbc9d3 as textRatioAAAA largeAAAFix
Aaon white
1.69:1failfailfail
  • AA: use #5d798e as the text (4.57:1)
  • AAA: use #445a69 as the text (7.21:1)
  • AA: or shift the background to #525252 (4.62:1)
  • AAA: or shift the background to #363636 (7.14:1)
Aaon black
12.41:1passpasspassPasses 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 #bbc9d3 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

#bbc9d3 reads as cool, muted, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bbc9d3
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 #bbc9d3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bbc9d3-9cafc4-df4e58-1f212d-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