Color

#ff42ef

#ff42ef
hex#ff42ef
rgbrgb(255, 66, 239)
hslhsl(305, 100%, 63%)
oklchoklch(0.717 0.28 331.9)
Closest name: Cupid’s Eye (#ff22dd)Relative luminance 0.3139

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#42ff52

#b042ff · #ff4291

#efff42 · #42efff

Split-complementary

Open in tool →

#91ff42 · #42ffb0

#ffb042 · #42ff52 · #4291ff

Contrast

#ff42ef as textRatioAAAA largeAAAFix
Aaon white
2.89:1failfailfail
  • AA: use #d600c4 as the text (4.51:1)
  • AAA: use #a30096 as the text (7.01:1)
  • AA: or shift the background to #303030 (4.57:1)
  • AAA: or shift the background to #050505 (7.06:1)
Aaon black
7.28:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff42ef 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

#ff42ef reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff42ef
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #ff42ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff42ef-c19fba-8ccb62-2d1f26-eee9f1?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