Color

#f2180d

#f2180d
hex#f2180d
rgbrgb(242, 24, 13)
hslhsl(3, 90%, 50%)
oklchoklch(0.61 0.242 29.5)
Closest name: Assassin’s Red (#f60206)Relative luminance 0.1956

Colors that go with #f2180d

Charcoal, Royal Blue and Sea Green 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 →

#0de7f2

#f20d74 · #f28b0d

#0df218 · #180df2

Split-complementary

Open in tool →

#0df28b · #0d74f2

#74f20d · #0de7f2 · #8b0df2

Contrast

#f2180d as textRatioAAAA largeAAAFix
Aaon white
4.28:1failpassfail
  • AA: use #e9170c as the text (4.57:1)
  • AAA: use #ae1109 as the text (7.28:1)
  • AA: or shift the background to #0d0d0d (4.55:1)
Aaon black
4.91:1passpassfail
  • AAA: use #f7675f as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f2180d as the background.

Brands using this color

Fonts for this mood

#f2180d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f2180d
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 #f2180d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f2180d-c4a39c-62cb9d-2d261f-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