Color

#fbfe43

#fbfe43
hex#fbfe43
rgbrgb(251, 254, 67)
hslhsl(61, 99%, 63%)
oklchoklch(0.965 0.193 110.5)
Closest name: Bee Yellow (#feff32)Relative luminance 0.918

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4643fe

#fea443 · #9efe43

#43fbfe · #fe43fb

Split-complementary

Open in tool →

#439efe · #a443fe

#43fea4 · #4643fe · #fe439e

Contrast

#fbfe43 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 (7.2:1)
Aaon black
19.36:1passpasspassPasses 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 #fbfe43 as the background.

Brands using this color

mcpConnect your agent — build around #fbfe43
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 #fbfe43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fbfe43-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