Color

#effafb

#effafb
hex#effafb
rgbrgb(239, 250, 251)
hslhsl(185, 60%, 96%)
oklchoklch(0.977 0.012 203.5)
Closest name: Cold White (#edfcfb)Relative luminance 0.9369

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbf0ef

#effbf6 · #eff4fb

#fbeffa · #fafbef

Split-complementary

Open in tool →

#fbeff4 · #fbf6ef

#f6effb · #fbf0ef · #f4fbef

Contrast

#effafb as textRatioAAAA largeAAAFix
Aaon white
1.06:1failfailfail
  • AA: use #23828b as the text (4.53:1)
  • AAA: use #1a6066 as the text (7.22:1)
  • AA: or shift the background to #707070 (4.65:1)
  • AAA: or shift the background to #545454 (7.12:1)
Aaon black
19.74:1passpasspassPasses 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 #effafb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/effafb-a2b8be-df4e88-1f262d-e9f1ee?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