Color

#effbf2

#effbf2
hex#effbf2
rgbrgb(239, 251, 242)
hslhsl(135, 60%, 96%)
oklchoklch(0.977 0.017 153.6)
Closest name: Cold White (#edfcfb)Relative luminance 0.9376

Colors that go with #effbf2

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 #effbf2

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbeff8

#f2fbef · #effbf8

#f2effb · #fbf2ef

Split-complementary

Open in tool →

#f8effb · #fbeff2

#eff2fb · #fbeff8 · #fbf8ef

Contrast

#effbf2 as textRatioAAAA largeAAAFix
Aaon white
1.06:1failfailfail
  • AA: use #22873b as the text (4.57:1)
  • AAA: use #1a662d as the text (7.04:1)
  • AA: or shift the background to #707070 (4.66:1)
  • AAA: or shift the background to #545454 (7.12:1)
Aaon black
19.75:1passpasspassPasses 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 #effbf2 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#effbf2 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #effbf2
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 #effbf2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/effbf2-a2beac-b759d4-1f2d29-ebf1e9?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