Color

#effbf6

#effbf6
hex#effbf6
rgbrgb(239, 251, 246)
hslhsl(155, 60%, 96%)
oklchoklch(0.978 0.014 169.3)
Closest name: Cold White (#edfcfb)Relative luminance 0.94

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbeff4

#effbf0 · #effafb

#f6effb · #fbf6ef

Split-complementary

Open in tool →

#fbeffa · #fbf0ef

#f0effb · #fbeff4 · #fafbef

Contrast

#effbf6 as textRatioAAAA largeAAAFix
Aaon white
1.06:1failfailfail
  • AA: use #21835a as the text (4.71:1)
  • AAA: use #186243 as the text (7.32:1)
  • AA: or shift the background to #707070 (4.67:1)
  • AAA: or shift the background to #545454 (7.14:1)
Aaon black
19.8:1passpasspassPasses 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 #effbf6 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#effbf6 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #effbf6
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 #effbf6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/effbf6-a2beb6-d459c8-1f2d2d-e9f1ea?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