Color

#c166fa

#c166fa
hex#c166fa
rgbrgb(193, 102, 250)
hslhsl(277, 94%, 69%)
oklchoklch(0.678 0.22 310.2)
Closest name: Illicit Purple (#bf77f6)Relative luminance 0.2774

Colors that go with #c166fa

Medium Sea Green, Medium Slate Blue and Light Sea Green 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 →

#9ffa66

#7766fa · #fa66e9

#fac166 · #66fac1

Split-complementary

Open in tool →

#e9fa66 · #66fa77

#fa7766 · #9ffa66 · #66e9fa

Contrast

#c166fa as textRatioAAAA largeAAAFix
Aaon white
3.21:1failpassfail
  • AA: use #ad34f9 as the text (4.53:1)
  • AAA: use #8306d0 as the text (7.24:1)
  • AA: or shift the background to #292929 (4.54:1)
Aaon black
6.55:1passpassfail
  • AAA: use #c570fb 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 #c166fa as the background.

Brands using this color

Fonts for this mood

#c166fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c166fa
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 #c166fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c166fa-b99cc4-bdcb62-2d1f2c-eae9f1?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