Color

#f3fbf6

#f3fbf6
hex#f3fbf6
rgbrgb(243, 251, 246)
hslhsl(143, 50%, 97%)
oklchoklch(0.981 0.011 158.9)
Closest name: Everlasting Ice (#f6fdfa)Relative luminance 0.947

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbf4f8

#f4fbf4 · #f4fbfa

#f6f4fb · #fbf6f4

Split-complementary

Open in tool →

#faf4fb · #fbf4f4

#f4f4fb · #fbf4f8 · #fbfaf4

Contrast

#f3fbf6 as textRatioAAAA largeAAAFix
Aaon white
1.05:1failfailfail
  • AA: use #2d864f as the text (4.53:1)
  • AAA: use #21633b as the text (7.21:1)
  • AA: or shift the background to #737373 (4.5:1)
  • AAA: or shift the background to #545454 (7.19:1)
Aaon black
19.94:1passpasspassPasses 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 #f3fbf6 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#f3fbf6 reads as light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f3fbf6
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 #f3fbf6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3fbf6-a2beb0-c859d4-1f2d2b-eaf1e9?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