Color

#f0fc03

#f0fc03
hex#f0fc03
rgbrgb(240, 252, 3)
hslhsl(63, 98%, 50%)
oklchoklch(0.95 0.212 113.2)
Closest name: Banana Flash (#eefe02)Relative luminance 0.8815

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0f03fc

#fc8c03 · #73fc03

#03f0fc · #fc03f0

Split-complementary

Open in tool →

#0373fc · #8c03fc

#03fc8c · #0f03fc · #fc0373

Contrast

#f0fc03 as textRatioAAAA largeAAAFix
Aaon white
1.13:1failfailfail
  • AA: use #737901 as the text (4.7:1)
  • AAA: use #565b01 as the text (7.26:1)
  • AA: or shift the background to #6e6e6e (4.52:1)
  • AAA: or shift the background to #4f4f4f (7.27:1)
Aaon black
18.63:1passpasspassPasses 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 #f0fc03 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #f0fc03
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 #f0fc03 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f0fc03-b9bea2-4e8ddf-262d1f-f1eee9?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