brandsweets

Color

#fbfe4d

#fbfe4d
hex#fbfe4d
rgbrgb(251, 254, 77)
hslhsl(61, 99%, 65%)
oklchoklch(0.965 0.188 110.4)
Closest name: Biohazard Suit (#fbfb4c)Relative luminance 0.9193
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
fbfe4d504dfe

#504dfe

Analogous

Open in tool →
fbfe4dfea94da3fe4d

#fea94d · #a3fe4d

Triadic

Open in tool →
fbfe4d4dfbfefe4dfb

#4dfbfe · #fe4dfb

Split-complementary

Open in tool →
fbfe4d4da3fea94dfe

#4da3fe · #a94dfe

Tetradic

Open in tool →
fbfe4d4dfea9504dfefe4da3

#4dfea9 · #504dfe · #fe4da3

Contrast

#fbfe4d as textRatioAAAA largeAAAFix
Aaon white
1.08:1failfailfail
  • AA: use #787a01 as the text (4.58:1)
  • AAA: use #5a5b00 as the text (7.16:1)
  • AA: or shift the background to #707070 (4.57:1)
  • AAA: or shift the background to #525252 (7.21:1)
Aaon black
19.39:1passpasspassPasses 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 #fbfe4d as the background.

Brands using this color

mcpConnect your agent — build around #fbfe4d
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 #fbfe4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fbfe4d-babea2-4e92df-272d1f-f1ede9?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