Color

#def5fc

#def5fc
hex#def5fc
rgbrgb(222, 245, 252)
hslhsl(194, 83%, 93%)
oklchoklch(0.955 0.026 217.9)
Closest name: Bone-Chilling (#e1f2f0)Relative luminance 0.8786

Colors that go with #def5fc

Charcoal, Amber and 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 #def5fc

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fce5de

#defcf4 · #dee6fc

#fcdef5 · #f5fcde

Split-complementary

Open in tool →

#fcdee6 · #fcf4de

#f4defc · #fce5de · #e6fcde

Contrast

#def5fc as textRatioAAAA largeAAAFix
Aaon white
1.13:1failfailfail
  • AA: use #0f7d9f as the text (4.71:1)
  • AAA: use #0b6079 as the text (7.09:1)
  • AA: or shift the background to #6e6e6e (4.51:1)
  • AAA: or shift the background to #4f4f4f (7.24:1)
Aaon black
18.57:1passpasspassPasses 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 #def5fc 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

#def5fc reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #def5fc
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 #def5fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/def5fc-9cb6c4-df4e72-1f242d-e9f1ef?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