Color

#ef4f4d

#ef4f4d
hex#ef4f4d
rgbrgb(239, 79, 77)
hslhsl(1, 84%, 62%)
oklchoklch(0.649 0.197 25.1)
Closest name: Angry Flamingo (#f04e45)Relative luminance 0.2448

Colors that go with #ef4f4d

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 →

#4dedef

#ef4d9b · #efa14d

#4def4f · #4f4def

Split-complementary

Open in tool →

#4defa1 · #4d9bef

#9bef4d · #4dedef · #a14def

Contrast

#ef4f4d as textRatioAAAA largeAAAFix
Aaon white
3.56:1failpassfail
  • AA: use #e61714 as the text (4.67:1)
  • AAA: use #b21210 as the text (7.03:1)
  • AA: or shift the background to #212121 (4.52:1)
Aaon black
5.9:1passpassfail
  • AAA: use #f26b69 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ef4f4d as the background.

Brands using this color

Fonts for this mood

#ef4f4d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef4f4d
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 #ef4f4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef4f4d-c4a19c-62cb9a-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