Color

#eff8fa

#eff8fa
hex#eff8fa
rgbrgb(239, 248, 250)
hslhsl(191, 52%, 96%)
oklchoklch(0.973 0.01 212.5)
Closest name: Cotton Ball (#f2f7fd)Relative luminance 0.9239

Tints & shades

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

Harmonies

Complementary

Open in tool →

#faf1ef

#effaf7 · #eff3fa

#faeff8 · #f8faef

Split-complementary

Open in tool →

#faeff3 · #faf7ef

#f7effa · #faf1ef · #f3faef

Contrast

#eff8fa as textRatioAAAA largeAAAFix
Aaon white
1.08:1failfailfail
  • AA: use #2d7d8f as the text (4.73:1)
  • AAA: use #225f6d as the text (7.18:1)
  • AA: or shift the background to #707070 (4.59:1)
  • AAA: or shift the background to #545454 (7.02:1)
Aaon black
19.48:1passpasspassPasses 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 #eff8fa as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#eff8fa reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #eff8fa
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 #eff8fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eff8fa-a2b6be-df4e7a-1f252d-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