brandsweets

Color

#f5ff3d

#f5ff3d
hex#f5ff3d
rgbrgb(245, 255, 61)
hslhsl(63, 100%, 62%)
oklchoklch(0.962 0.199 112.6)
Closest name: Bee Yellow (#feff32)Relative luminance 0.9127
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
f5ff3d473dff

#473dff

Analogous

Open in tool →
f5ff3dffa83d94ff3d

#ffa83d · #94ff3d

Triadic

Open in tool →
f5ff3d3df5ffff3df5

#3df5ff · #ff3df5

Split-complementary

Open in tool →
f5ff3d3d94ffa83dff

#3d94ff · #a83dff

Tetradic

Open in tool →
f5ff3d3dffa8473dffff3d94

#3dffa8 · #473dff · #ff3d94

Contrast

#f5ff3d as textRatioAAAA largeAAAFix
Aaon white
1.09:1failfailfail
  • 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 (4.54:1)
  • AAA: or shift the background to #525252 (7.16:1)
Aaon black
19.25:1passpasspassPasses 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 #f5ff3d as the background.

Brands using this color

mcpConnect your agent — build around #f5ff3d
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 #f5ff3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f5ff3d-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