Color

#eff8fb

#eff8fb
hex#eff8fb
rgbrgb(239, 248, 251)
hslhsl(195, 60%, 96%)
oklchoklch(0.973 0.01 219.6)
Closest name: aliceblue (#f0f8ff)Relative luminance 0.9245

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbf2ef

#effbf8 · #eff2fb

#fbeff8 · #f8fbef

Split-complementary

Open in tool →

#fbeff2 · #fbf8ef

#f8effb · #fbf2ef · #f2fbef

Contrast

#eff8fb as textRatioAAAA largeAAAFix
Aaon white
1.08:1failfailfail
  • AA: use #277e9b as the text (4.62:1)
  • AAA: use #1e6076 as the text (7.02:1)
  • AA: or shift the background to #707070 (4.6:1)
  • AAA: or shift the background to #545454 (7.03:1)
Aaon black
19.49:1passpasspassPasses 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 #eff8fb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#eff8fb reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #eff8fb
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 #eff8fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eff8fb-9cb5c4-df4e70-1f242d-e9f1ef?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