Color

#ef4e50

#ef4e50
hex#ef4e50
rgbrgb(239, 78, 80)
hslhsl(359, 83%, 62%)
oklchoklch(0.649 0.197 23.9)
Closest name: Angry Flamingo (#f04e45)Relative luminance 0.2438

Colors that go with #ef4e50

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 →

#4eefec

#ef4ea1 · #ef9b4e

#50ef4e · #4e50ef

Split-complementary

Open in tool →

#4eef9b · #4ea1ef

#a1ef4e · #4eefec · #9b4eef

Contrast

#ef4e50 as textRatioAAAA largeAAAFix
Aaon white
3.57:1failpassfail
  • AA: use #ea1a1e as the text (4.5:1)
  • AAA: use #b11013 as the text (7.11:1)
  • AA: or shift the background to #212121 (4.51:1)
Aaon black
5.88:1passpassfail
  • AAA: use #f16a6c as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ef4e50 as the background.

Brands using this color

Fonts for this mood

#ef4e50 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef4e50
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 #ef4e50 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef4e50-c4a09c-62cb96-2d251f-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