Color

#effbf5

#effbf5
hex#effbf5
rgbrgb(239, 251, 245)
hslhsl(150, 60%, 96%)
oklchoklch(0.977 0.015 164.7)
Closest name: Cold White (#edfcfb)Relative luminance 0.9394

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbeff5

#effbef · #effbfb

#f5effb · #fbf5ef

Split-complementary

Open in tool →

#fbeffb · #fbefef

#efeffb · #fbeff5 · #fbfbef

Contrast

#effbf5 as textRatioAAAA largeAAAFix
Aaon white
1.06:1failfailfail
  • AA: use #228754 as the text (4.5:1)
  • AAA: use #18623d as the text (7.36:1)
  • AA: or shift the background to #707070 (4.67:1)
  • AAA: or shift the background to #545454 (7.14:1)
Aaon black
19.79:1passpasspassPasses 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 #effbf5 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#effbf5 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #effbf5
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 #effbf5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/effbf5-a2beb3-d459d2-1f2d2c-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