Color

#ecfdfb

#ecfdfb
hex#ecfdfb
rgbrgb(236, 253, 251)
hslhsl(173, 81%, 96%)
oklchoklch(0.981 0.018 188.4)
Closest name: Cold White (#edfcfb)Relative luminance 0.9505

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdedee

#edfdf3 · #edf7fd

#fbedfd · #fdfbed

Split-complementary

Open in tool →

#fdedf7 · #fdf3ed

#f3edfd · #fdedee · #f7fded

Contrast

#ecfdfb as textRatioAAAA largeAAAFix
Aaon white
1.05:1failfailfail
  • AA: use #0e8174 as the text (4.76:1)
  • AAA: use #0a6157 as the text (7.34:1)
  • AA: or shift the background to #737373 (4.52:1)
  • AAA: or shift the background to #545454 (7.22:1)
Aaon black
20.01:1passpasspassPasses 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 #ecfdfb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/ecfdfb-a2bebe-d459a3-1f292d-e9f1ec?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