Color

#ef5425

#ef5425
hex#ef5425
rgbrgb(239, 84, 37)
hslhsl(14, 86%, 54%)
oklchoklch(0.65 0.199 36.4)
Closest name: Baptism by Fire (#e6490b)Relative luminance 0.2482

Colors that go with #ef5425

Cadet Blue, Charcoal and Dodger Blue 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 →

#25c0ef

#ef255b · #efb925

#25ef54 · #5425ef

Split-complementary

Open in tool →

#25efb9 · #255bef

#5bef25 · #25c0ef · #b925ef

Contrast

#ef5425 as textRatioAAAA largeAAAFix
Aaon white
3.52:1failpassfail
  • AA: use #d53e10 as the text (4.64:1)
  • AAA: use #a12f0c as the text (7.17:1)
  • AA: or shift the background to #212121 (4.57:1)
Aaon black
5.96:1passpassfail
  • AAA: use #f16e46 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 #ef5425 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ef5425 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef5425
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 #ef5425 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef5425-c4aa9c-62cbb1-2d291f-f1e9eb?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