Color

#effaf6

#effaf6
hex#effaf6
rgbrgb(239, 250, 246)
hslhsl(158, 52%, 96%)
oklchoklch(0.976 0.013 172.4)
Closest name: Cold White (#edfcfb)Relative luminance 0.9338

Colors that go with #effaf6

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 #effaf6

Tints & shades

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

Harmonies

Complementary

Open in tool →

#faeff3

#effaf1 · #eff9fa

#f6effa · #faf6ef

Split-complementary

Open in tool →

#faeff9 · #faf1ef

#f1effa · #faeff3 · #f9faef

Contrast

#effaf6 as textRatioAAAA largeAAAFix
Aaon white
1.07:1failfailfail
  • AA: use #2a8463 as the text (4.59:1)
  • AAA: use #1f6149 as the text (7.33:1)
  • AA: or shift the background to #707070 (4.64:1)
  • AAA: or shift the background to #545454 (7.09:1)
Aaon black
19.68:1passpasspassPasses 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 #effaf6 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#effaf6 reads as light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #effaf6
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 #effaf6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/effaf6-a2beb7-d459c2-1f2c2d-e9f1eb?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