Color

#fcfc54

#fcfc54
hex#fcfc54
rgbrgb(252, 252, 84)
hslhsl(60, 97%, 66%)
oklchoklch(0.962 0.182 109.4)
Closest name: Biohazard Suit (#fbfb4c)Relative luminance 0.9096

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5454fc

#fca854 · #a8fc54

#54fcfc · #fc54fc

Split-complementary

Open in tool →

#54a8fc · #a854fc

#54fca8 · #5454fc · #fc54a8

Contrast

#fcfc54 as textRatioAAAA largeAAAFix
Aaon white
1.09:1failfailfail
  • AA: use #797902 as the text (4.62:1)
  • AAA: use #5a5a01 as the text (7.25:1)
  • AA: or shift the background to #707070 (4.53:1)
  • AAA: or shift the background to #525252 (7.14:1)
Aaon black
19.19:1passpasspassPasses 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 #fcfc54 as the background.

Brands using this color

mcpConnect your agent — build around #fcfc54
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 #fcfc54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fcfc54-bbbea2-4e94df-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