Color

#b166ea

#b166ea
hex#b166ea
rgbrgb(177, 102, 234)
hslhsl(274, 76%, 66%)
oklchoklch(0.651 0.198 308.1)
Closest name: Lavender (#b56edc)Relative luminance 0.2479

Colors that go with #b166ea

Olive Drab, Charcoal and Medium 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 →

#a0ea66

#6f66ea · #ea66e1

#eab166 · #66eab1

Split-complementary

Open in tool →

#e1ea66 · #66ea6f

#ea6f66 · #a0ea66 · #66e1ea

Contrast

#b166ea as textRatioAAAA largeAAAFix
Aaon white
3.52:1failpassfail
  • AA: use #a147e6 as the text (4.61:1)
  • AAA: use #811cce as the text (7.02:1)
  • AA: or shift the background to #212121 (4.57:1)
Aaon black
5.96:1passpassfail
  • AAA: use #bd7ded as the text (7.32:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b166ea 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

#b166ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b166ea
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 #b166ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b166ea-b79cc4-c2cb62-2d1f2d-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