Color

#fe0101

#fe0101
hex#fe0101
rgbrgb(254, 1, 1)
hslhsl(0, 99%, 50%)
oklchoklch(0.626 0.257 29.2)
Closest name: red (#ff0000)Relative luminance 0.2109

Tints & shades

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

Harmonies

Complementary

Open in tool →

#01fefe

#fe0180 · #fe8001

#01fe01 · #0101fe

Split-complementary

Open in tool →

#01fe80 · #0180fe

#80fe01 · #01fefe · #8001fe

Contrast

#fe0101 as textRatioAAAA largeAAAFix
Aaon white
4.02:1failpassfail
  • AA: use #e90101 as the text (4.7:1)
  • AAA: use #b20101 as the text (7.25:1)
  • AA: or shift the background to #141414 (4.58:1)
Aaon black
5.22:1passpassfail
  • AAA: use #fe6262 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fe0101 as the background.

Brands using this color

Fonts for this mood

#fe0101 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fe0101
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 #fe0101 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fe0101-c4a19c-62cb98-2d251f-f1e9ed?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