Color

#fcff3d

#fcff3d
hex#fcff3d
rgbrgb(252, 255, 61)
hslhsl(61, 100%, 62%)
oklchoklch(0.967 0.197 110.5)
Closest name: Bee Yellow (#feff32)Relative luminance 0.9255

Tints & shades

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

Harmonies

Complementary

Open in tool →

#403dff

#ffa13d · #9bff3d

#3dfcff · #ff3dfc

Split-complementary

Open in tool →

#3d9bff · #a13dff

#3dffa1 · #403dff · #ff3d9b

Contrast

#fcff3d as textRatioAAAA largeAAAFix
Aaon white
1.08:1failfailfail
  • AA: use #787a00 as the text (4.58:1)
  • AAA: use #5a5c00 as the text (7.08:1)
  • AA: or shift the background to #707070 (4.6:1)
  • AAA: or shift the background to #545454 (7.04:1)
Aaon black
19.51:1passpasspassPasses 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 #fcff3d as the background.

Brands using this color

mcpConnect your agent — build around #fcff3d
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 #fcff3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fcff3d-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