Color

#c9eaee

#c9eaee
hex#c9eaee
rgbrgb(201, 234, 238)
hslhsl(186, 52%, 86%)
oklchoklch(0.915 0.035 205.5)
Closest name: Castle in the Sky (#d1eaed)Relative luminance 0.7744

Colors that go with #c9eaee

Charcoal, Lilac and Plum 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 →

#eeccc9

#c9eedf · #c9d8ee

#eec9ea · #eaeec9

Split-complementary

Open in tool →

#eec9d8 · #eedfc9

#dfc9ee · #eeccc9 · #d8eec9

Contrast

#c9eaee as textRatioAAAA largeAAAFix
Aaon white
1.27:1failfailfail
  • AA: use #2b7e88 as the text (4.73:1)
  • AAA: use #216169 as the text (7.05:1)
  • AA: or shift the background to #666666 (4.51:1)
  • AAA: or shift the background to #474747 (7.29:1)
Aaon black
16.49:1passpasspassPasses 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 #c9eaee 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

#c9eaee reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c9eaee
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 #c9eaee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c9eaee-a2b8be-df4e86-1f262d-e9f1ee?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