# #b666db

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

## Values

- Hex: `#b666db`
- RGB: rgb(182, 102, 219)
- HSL: hsl(281, 62%, 63%)
- OKLCH: oklch(0.648 0.183 314)
- Relative luminance: 0.2456
- Nearest named color: Lavender (#b56edc, Δ 1.712) — https://brandsweets.com/colors/lavender-2
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/b666db

## Tints & shades

- Tints (toward white): #be77df, #c483e2, #cc94e6, #d2a0e9, #dab1ed, #dfbdef, #e7cdf3, #eddaf6, #f5eafa, #fbf7fd
- Shades (toward black): #aa4dd5, #9e35d0, #8d2cba, #7a26a1, #6a218c, #581b74, #45155b, #321042, #1f0a29, #0d0411

## Harmonies

- Complementary: #8bdb66
- Analogous: #7c66db, #db66c6
- Triadic: #dbb666, #66dbb6
- Split-complementary: #c6db66, #66db7c
- Tetradic: #db7c66, #8bdb66, #66c6db

## Colors that go with #b666db

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 #b666db 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 #b666db: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Medium Slate Blue** #7b68ee [pool] — Medium Slate Blue shows up next to #b666db in 3 real palettes, including Obsidian's brand system and monday.com's brand system, as the supporting colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), monday.com (https://brandsweets.com/colors/brands/monday-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/mediumslateblue
- **Cadet Blue** #5f9ea0 [harmony: split] — Cadet Blue is a split-complement of #b666db: 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 #b666db: 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 #b666db 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
- **Taupe** #483c32 [pool] — Taupe is paired with #b666db in two real palettes: 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). — https://brandsweets.com/colors/taupe
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #b666db in ClickUp's brand system, as the lead colour. Seen in: ClickUp (https://brandsweets.com/colors/brands/clickup-com). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 3.55:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #a849d4 (4.6:1); AA: background → #212121 (4.53:1); AAA: text → #8329ae (7.26:1)
- On black (#000000): 5.91:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #c07be0 (7.15:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/b666db-ba9fc1-b6cb62-2d1f2c-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: "#b666db" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.