# #a66dc5

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

## Values

- Hex: `#a66dc5`
- RGB: rgb(166, 109, 197)
- HSL: hsl(279, 43%, 60%)
- OKLCH: oklch(0.629 0.141 312.8)
- Relative luminance: 0.2308
- Nearest named color: Amethyst (#9966cc, Δ 3.271) — https://brandsweets.com/colors/amethyst
- Moods: cool, modern
- Page: https://brandsweets.com/colors/a66dc5

## Tints & shades

- Tints (toward white): #af7ccb, #b88ad0, #bf95d5, #c7a4db, #d0b2e0, #d9c1e6, #e2d0ec, #e9dbf0, #f2e9f6, #fbf8fc
- Shades (toward black): #9957bc, #8d47b3, #7c3f9d, #6d378b, #5c2f75, #4b265f, #3c1f4d, #2b1637, #1d0f24, #0c060f

## Harmonies

- Complementary: #8cc56d
- Analogous: #7a6dc5, #c56db8
- Triadic: #c5a66d, #6dc5a6
- Split-complementary: #b8c56d, #6dc57a
- Tetradic: #c57a6d, #8cc56d, #6db8c5

## Colors that go with #a66dc5

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

- **Olive Drab** #6b8e23 [harmony: complementary] — Olive Drab sits directly opposite #a66dc5 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
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #a66dc5: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Lavender Haze and Plaid's brand system put Midnight Blue beside #a66dc5, as that palette's text colour. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Plaid (https://brandsweets.com/colors/brands/plaid-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #a66dc5 in 3 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). — https://brandsweets.com/colors/taupe
- **Cadet Blue** #5f9ea0 [harmony: split] — Cadet Blue is a split-complement of #a66dc5: 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 #a66dc5: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkgoldenrod
- **Amber** #ffbf00 [pool] — Amber is paired with #a66dc5 in two real palettes: Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent. Seen in: Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/amber
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #a66dc5 in two real palettes: Klarna US's brand system and ClickUp's brand system, as the accent. Seen in: Klarna US (https://brandsweets.com/colors/brands/klarna-com), ClickUp (https://brandsweets.com/colors/brands/clickup-com). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 3.74:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9b5bbe (4.53:1); AA: background → #1c1c1c (4.56:1); AAA: text → #793d99 (7.14:1)
- On black (#000000): 5.62:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b383ce (7.05:1)

## 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/a66dc5-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: "#a66dc5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.