brandsweets

Color

#f0ff4d

#f0ff4d
hex#f0ff4d
rgbrgb(240, 255, 77)
hslhsl(65, 100%, 65%)
oklchoklch(0.959 0.192 114.2)
Closest name: Biohazard Suit (#fbfb4c)Relative luminance 0.9058
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
f0ff4d5b4dff

#5b4dff

Analogous

Open in tool →
f0ff4dffb54d97ff4d

#ffb54d · #97ff4d

Triadic

Open in tool →
f0ff4d4df0ffff4df0

#4df0ff · #ff4df0

Split-complementary

Open in tool →
f0ff4d4d97ffb54dff

#4d97ff · #b54dff

Tetradic

Open in tool →
f0ff4d4dffb55b4dffff4d97

#4dffb5 · #5b4dff · #ff4d97

Contrast

#f0ff4d as textRatioAAAA largeAAAFix
Aaon white
1.1:1failfailfail
  • AA: use #707a00 as the text (4.7:1)
  • AAA: use #545c00 as the text (7.22:1)
  • AA: or shift the background to #707070 (4.51:1)
  • AAA: or shift the background to #525252 (7.11:1)
Aaon black
19.12:1passpasspassPasses 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 #f0ff4d as the background.

Brands using this color

mcpConnect your agent — build around #f0ff4d
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 #f0ff4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f0ff4d-b8bea2-4e88df-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