Color

#f21602

#f21602
hex#f21602
rgbrgb(242, 22, 2)
hslhsl(5, 98%, 48%)
oklchoklch(0.609 0.243 30)
Closest name: Assassin’s Red (#f60206)Relative luminance 0.1946

Colors that go with #f21602

Amber, Charcoal and Gold lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#02def2

#f20266 · #f28e02

#02f216 · #1602f2

Split-complementary

Open in tool →

#02f28e · #0266f2

#66f202 · #02def2 · #8e02f2

Contrast

#f21602 as textRatioAAAA largeAAAFix
Aaon white
4.29:1failpassfail
  • AA: use #e81602 as the text (4.62:1)
  • AAA: use #b11002 as the text (7.13:1)
  • AA: or shift the background to #0d0d0d (4.53:1)
Aaon black
4.89:1passpassfail
  • AAA: use #fd6153 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f21602 as the background.

Brands using this color

Fonts for this mood

#f21602 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f21602
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #f21602 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f21602-c4a49c-62cba1-2d261f-f1e9ec?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