# #a66fc3

A color — cool, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#a66fc3`
- RGB: rgb(166, 111, 195)
- HSL: hsl(279, 41%, 60%)
- OKLCH: oklch(0.631 0.135 313.2)
- Relative luminance: 0.2342
- Nearest named color: Lavendless (#b86fc2, Δ 3.114) — https://brandsweets.com/colors/lavendless
- Moods: cool, modern
- Page: https://brandsweets.com/colors/a66fc3

## Tints & shades

- Tints (toward white): #ae7ec9, #b78ccf, #be97d3, #c7a5d9, #d0b3df, #d9c2e5, #e2d0eb, #e9dbf0, #f2e9f6, #fbf8fc
- Shades (toward black): #985aba, #8c4ab0, #7b419b, #6d3989, #5c3073, #4a275d, #3c204c, #2b1736, #1d0f24, #0b060e

## Harmonies

- Complementary: #8cc36f
- Analogous: #7c6fc3, #c36fb6
- Triadic: #c3a66f, #6fc3a6
- Split-complementary: #b6c36f, #6fc37c
- Tetradic: #c37c6f, #8cc36f, #6fb6c3

## Colors that go with #a66fc3

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #a66fc3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com). — https://brandsweets.com/colors/charcoal
- **Taupe** #483c32 [pool] — Taupe is paired with #a66fc3 in 4 real palettes, including Loom's brand system and Obsidian's brand system, as that palette's text colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Zed (https://brandsweets.com/colors/brands/zed-dev), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/taupe
- **Olive Drab** #6b8e23 [harmony: complementary] — Olive Drab sits directly opposite #a66fc3 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/olivedrab
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #a66fc3 in 3 real palettes, including Obsidian's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Linear (https://brandsweets.com/colors/brands/linear). — https://brandsweets.com/colors/mediumslateblue
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Plaid's brand system and Marvel's brand system put Midnight Blue beside #a66fc3, as the supporting colour. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/midnightblue
- **Copper** #b87333 [harmony, pool: triadic] — Copper completes a triad with #a66fc3 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Cadet Blue** #5f9ea0 [harmony: split] — Cadet Blue is a split-complement of #a66fc3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/cadetblue
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #a66fc3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkgoldenrod

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 3.7:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9a5dbb (4.51:1); AA: background → #1c1c1c (4.61:1); AAA: text → #783f97 (7.1:1)
- On black (#000000): 5.68:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b385cc (7.14:1)

## Fonts for this mood

- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a66fc3-b99fc1-b9cb62-2d1f2c-ebe9f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#a66fc3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.