Color

#ef4d58

#ef4d58
hex#ef4d58
rgbrgb(239, 77, 88)
hslhsl(356, 84%, 62%)
oklchoklch(0.649 0.198 20.9)
Closest name: Angry Flamingo (#f04e45)Relative luminance 0.2436

Colors that go with #ef4d58

Charcoal, Cadet Blue and Amber 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 →

#4defe5

#ef4da9 · #ef934d

#58ef4d · #4d58ef

Split-complementary

Open in tool →

#4def93 · #4da9ef

#a9ef4d · #4defe5 · #934def

Contrast

#ef4d58 as textRatioAAAA largeAAAFix
Aaon white
3.58:1failpassfail
  • AA: use #eb1423 as the text (4.51:1)
  • AAA: use #b2101a as the text (7.04:1)
  • AA: or shift the background to #212121 (4.5:1)
Aaon black
5.87:1passpassfail
  • AAA: use #f26972 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ef4d58 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#ef4d58 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef4d58
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 #ef4d58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef4d58-c49e9c-62cb91-2d241f-f1e9ee?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