brandsweets

Color

#f7ff57

#f7ff57
hex#f7ff57
rgbrgb(247, 255, 87)
hslhsl(63, 100%, 67%)
oklchoklch(0.965 0.184 112)
Closest name: Biohazard Suit (#fbfb4c)Relative luminance 0.9198
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
f7ff575f57ff

#5f57ff

Analogous

Open in tool →
f7ff57ffb357a2ff57

#ffb357 · #a2ff57

Triadic

Open in tool →
f7ff5757f7ffff57f7

#57f7ff · #ff57f7

Split-complementary

Open in tool →
f7ff5757a2ffb357ff

#57a2ff · #b357ff

Tetradic

Open in tool →
f7ff5757ffb35f57ffff57a2

#57ffb3 · #5f57ff · #ff57a2

Contrast

#f7ff57 as textRatioAAAA largeAAAFix
Aaon white
1.08:1failfailfail
  • AA: use #747a00 as the text (4.64:1)
  • AAA: use #575c00 as the text (7.15:1)
  • AA: or shift the background to #707070 (4.57:1)
  • AAA: or shift the background to #525252 (7.22:1)
Aaon black
19.4:1passpasspassPasses 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 #f7ff57 as the background.

Brands using this color

mcpConnect your agent — build around #f7ff57
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 #f7ff57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f7ff57-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