Color

#ecefef

#ecefef
hex#ecefef
rgbrgb(236, 239, 239)
hslhsl(180, 9%, 93%)
oklchoklch(0.95 0.003 197.1)
Closest name: Beluga (#eff2f1)Relative luminance 0.858

Colors that go with #ecefef

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 #ecefef

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efecec

#ecefed · #ecedef

#efecef · #efefec

Split-complementary

Open in tool →

#efeced · #efedec

#edecef · #efecec · #edefec

Contrast

#ecefef as textRatioAAAA largeAAAFix
Aaon white
1.16:1failfailfail
  • AA: use #667a7a as the text (4.54:1)
  • AAA: use #4a5959 as the text (7.33:1)
  • AA: or shift the background to #6b6b6b (4.61:1)
  • AAA: or shift the background to #4f4f4f (7.08:1)
Aaon black
18.16:1passpasspassPasses 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 #ecefef as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ecefef reads as muted, light, minimal. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/ecefef-a2bbbe-d45994-1f272d-e9f1ed?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