Color

#f3f6f6

#f3f6f6
hex#f3f6f6
rgbrgb(243, 246, 246)
hslhsl(180, 14%, 96%)
oklchoklch(0.971 0.003 197.1)
Closest name: whitesmoke (#f5f5f5)Relative luminance 0.9162

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f6f3f3

#f3f6f5 · #f3f5f6

#f6f3f6 · #f6f6f3

Split-complementary

Open in tool →

#f6f3f5 · #f6f5f3

#f5f3f6 · #f6f3f3 · #f5f6f3

Contrast

#f3f6f6 as textRatioAAAA largeAAAFix
Aaon white
1.09:1failfailfail
  • AA: use #5c7a7a as the text (4.65:1)
  • AAA: use #465d5d as the text (7.04:1)
  • AA: or shift the background to #707070 (4.56:1)
  • AAA: or shift the background to #525252 (7.19:1)
Aaon black
19.32:1passpasspassPasses 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 #f3f6f6 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#f3f6f6 reads as cool, muted, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f3f6f6
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 #f3f6f6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3f6f6-a2bbbe-d45994-1f272d-e9f1ed?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