Color

#c51fea

#c51fea
hex#c51fea
rgbrgb(197, 31, 234)
hslhsl(289, 83%, 52%)
oklchoklch(0.61 0.28 318.8)
Closest name: Flirtatious Flamingo (#cc22ff)Relative luminance 0.1879

Colors that go with #c51fea

Olive Drab, Charcoal and Dark Cyan 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 →

#44ea1f

#5f1fea · #ea1faa

#eac51f · #1feac5

Split-complementary

Open in tool →

#aaea1f · #1fea5f

#ea5f1f · #44ea1f · #1faaea

Contrast

#c51fea as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #c316e9 as the text (4.55:1)
  • AAA: use #9410b1 as the text (7.08:1)
  • AA: or shift the background to #080808 (4.54:1)
Aaon black
4.76:1passpassfail
  • AAA: use #d765f1 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 #c51fea 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

#c51fea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c51fea
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 #c51fea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c51fea-be9fc1-a8cb62-2d1f2a-ece9f1?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