Color

#ef4e48

#ef4e48
hex#ef4e48
rgbrgb(239, 78, 72)
hslhsl(2, 84%, 61%)
oklchoklch(0.647 0.198 26.4)
Closest name: Angry Flamingo (#f04e45)Relative luminance 0.2427

Colors that go with #ef4e48

Cadet Blue, Charcoal and Steel 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 →

#48eaef

#ef4896 · #efa148

#48ef4e · #4e48ef

Split-complementary

Open in tool →

#48efa1 · #4896ef

#96ef48 · #48eaef · #a148ef

Contrast

#ef4e48 as textRatioAAAA largeAAAFix
Aaon white
3.59:1failpassfail
  • AA: use #e61b14 as the text (4.63:1)
  • AAA: use #ae140f as the text (7.22:1)
  • AA: or shift the background to #1f1f1f (4.59:1)
Aaon black
5.85:1passpassfail
  • AAA: use #f26d69 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ef4e48 as the background.

Brands using this color

Fonts for this mood

#ef4e48 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef4e48
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 #ef4e48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef4e48-c4a29c-62cb9c-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