Color

#a66bb3

#a66bb3
hex#a66bb3
rgbrgb(166, 107, 179)
hslhsl(289, 32%, 56%)
oklchoklch(0.617 0.124 320.2)
Closest name: Crown Jewels (#946dad)Relative luminance 0.2188

Colors that go with #a66bb3

Olive Drab, Charcoal and Copper 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 →

#78b36b

#826bb3 · #b36b9c

#b3a66b · #6bb3a6

Split-complementary

Open in tool →

#9cb36b · #6bb382

#b3826b · #78b36b · #6b9cb3

Contrast

#a66bb3 as textRatioAAAA largeAAAFix
Aaon white
3.91:1failpassfail
  • AA: use #9d5dac as the text (4.57:1)
  • AAA: use #784483 as the text (7.11:1)
  • AA: or shift the background to #171717 (4.59:1)
Aaon black
5.38:1passpassfail
  • AAA: use #b686c1 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a66bb3 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #a66bb3
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 #a66bb3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a66bb3-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