Color

#f0ff1a

#f0ff1a
hex#f0ff1a
rgbrgb(240, 255, 26)
hslhsl(64, 100%, 55%)
oklchoklch(0.957 0.212 114.1)
Closest name: Banana Flash (#eefe02)Relative luminance 0.9012

Tints & shades

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

Harmonies

Complementary

Open in tool →

#291aff

#ff9c1a · #7dff1a

#1af0ff · #ff1af0

Split-complementary

Open in tool →

#1a7dff · #9c1aff

#1aff9c · #291aff · #ff1a7d

Contrast

#f0ff1a as textRatioAAAA largeAAAFix
Aaon white
1.1:1failfailfail
  • AA: use #727a00 as the text (4.67:1)
  • AAA: use #565c00 as the text (7.18:1)
  • AA: or shift the background to #6e6e6e (4.62:1)
  • AAA: or shift the background to #525252 (7.08:1)
Aaon black
19.02:1passpasspassPasses 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 #f0ff1a 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 #f0ff1a
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 #f0ff1a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f0ff1a-b9bea2-4e8adf-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