Color

#ef5289

#ef5289
hex#ef5289
rgbrgb(239, 82, 137)
hslhsl(339, 83%, 63%)
oklchoklch(0.665 0.197 2.6)
Closest name: Flamboyant Flamingo (#f74480)Relative luminance 0.2619

Colors that go with #ef5289

Charcoal, Light Sea Green and Crimson 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 →

#52efb8

#ef52d7 · #ef6a52

#89ef52 · #5289ef

Split-complementary

Open in tool →

#52ef6a · #52d7ef

#d7ef52 · #52efb8 · #6a52ef

Contrast

#ef5289 as textRatioAAAA largeAAAFix
Aaon white
3.37:1failpassfail
  • AA: use #e5155e as the text (4.56:1)
  • AAA: use #ad1047 as the text (7.14:1)
  • AA: or shift the background to #242424 (4.61:1)
Aaon black
6.24:1passpassfail
  • AAA: use #f16596 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 #ef5289 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

#ef5289 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef5289
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 #ef5289 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef5289-c49ca5-62cb74-2d211f-f1e9f0?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