Color

#fcff61

#fcff61
hex#fcff61
rgbrgb(252, 255, 97)
hslhsl(61, 100%, 69%)
oklchoklch(0.97 0.176 110.3)
Closest name: Canary (#fdff63)Relative luminance 0.9308

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6461ff

#ffb361 · #adff61

#61fcff · #ff61fc

Split-complementary

Open in tool →

#61adff · #b361ff

#61ffb3 · #6461ff · #ff61ad

Contrast

#fcff61 as textRatioAAAA largeAAAFix
Aaon white
1.07:1failfailfail
  • 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 (4.63:1)
  • AAA: or shift the background to #545454 (7.07:1)
Aaon black
19.62:1passpasspassPasses 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 #fcff61 as the background.

Brands using this color

mcpConnect your agent — build around #fcff61
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 #fcff61 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fcff61-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