Color

#cef0f2

#cef0f2
hex#cef0f2
rgbrgb(206, 240, 242)
hslhsl(183, 58%, 88%)
oklchoklch(0.931 0.035 200.9)
Closest name: Castle in the Sky (#d1eaed)Relative luminance 0.8185

Colors that go with #cef0f2

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 →

#f2d0cf

#cff2e2 · #cfdff2

#f2cff0 · #f0f2cf

Split-complementary

Open in tool →

#f2cfdf · #f2e2cf

#e2cff2 · #f2d0cf · #dff2cf

Contrast

#cef0f2 as textRatioAAAA largeAAAFix
Aaon white
1.21:1failfailfail
  • AA: use #238085 as the text (4.67:1)
  • AAA: use #1b6165 as the text (7.13:1)
  • AA: or shift the background to #696969 (4.54:1)
  • AAA: or shift the background to #4a4a4a (7.33:1)
Aaon black
17.37:1passpasspassPasses 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 #cef0f2 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#cef0f2 reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cef0f2
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 #cef0f2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cef0f2-a2b9be-d4598e-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