Color

#cdeff3

#cdeff3
hex#cdeff3
rgbrgb(205, 239, 243)
hslhsl(186, 61%, 88%)
oklchoklch(0.929 0.036 205.2)
Closest name: Castle in the Sky (#d1eaed)Relative luminance 0.8118

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f3d1ce

#cef3e4 · #ceddf3

#f3ceef · #eff3ce

Split-complementary

Open in tool →

#f3cedd · #f3e4ce

#e4cef3 · #f3d1ce · #ddf3ce

Contrast

#cdeff3 as textRatioAAAA largeAAAFix
Aaon white
1.22:1failfailfail
  • AA: use #22818c as the text (4.58:1)
  • AAA: use #195f67 as the text (7.31:1)
  • AA: or shift the background to #696969 (4.51:1)
  • AAA: or shift the background to #4a4a4a (7.27:1)
Aaon black
17.24:1passpasspassPasses 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 #cdeff3 as the background.

Brands using this color

Fonts for this mood

#cdeff3 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cdeff3
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #cdeff3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cdeff3-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