Color

#cdeaef

#cdeaef
hex#cdeaef
rgbrgb(205, 234, 239)
hslhsl(189, 52%, 87%)
oklchoklch(0.918 0.031 209.1)
Closest name: Castle in the Sky (#d1eaed)Relative luminance 0.7806

Colors that go with #cdeaef

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 →

#efd2cd

#cdefe3 · #cdd9ef

#efcdea · #eaefcd

Split-complementary

Open in tool →

#efcdd9 · #efe3cd

#e3cdef · #efd2cd · #d9efcd

Contrast

#cdeaef as textRatioAAAA largeAAAFix
Aaon white
1.26:1failfailfail
  • AA: use #2d818f as the text (4.52:1)
  • AAA: use #22616d as the text (7:1)
  • AA: or shift the background to #666666 (4.54:1)
  • AAA: or shift the background to #4a4a4a (7.01:1)
Aaon black
16.61:1passpasspassPasses 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 #cdeaef 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

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

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

tool url/palettes/new/cdeaef-a2b7be-df4e7e-1f252d-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