# #b866ea

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

## Values

- Hex: `#b866ea`
- RGB: rgb(184, 102, 234)
- HSL: hsl(277, 76%, 66%)
- OKLCH: oklch(0.659 0.2 310.7)
- Relative luminance: 0.2563
- Nearest named color: Lavender (#b56edc, Δ 2.915) — https://brandsweets.com/colors/lavender-2
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/b866ea

## Tints & shades

- Tints (toward white): #be74ec, #c481ee, #cd93f0, #d3a1f2, #d9aef4, #e0bcf6, #e6c9f8, #eedbfa, #f5e9fc, #fbf6fe
- Shades (toward black): #ab4be7, #9f31e3, #8d1dd3, #7b19b8, #69159d, #571282, #450e67, #300a48, #1e062d, #0c0212

## Harmonies

- Complementary: #99ea66
- Analogous: #7666ea, #ea66db
- Triadic: #eab866, #66eab8
- Split-complementary: #dbea66, #66ea76
- Tetradic: #ea7666, #99ea66, #66dbea

## Colors that go with #b866ea

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 #b866ea 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 #b866ea: 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 #b866ea 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
- **Medium Sea Green** #3cb371 [harmony: split] — Medium Sea Green is a split-complement of #b866ea: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/mediumseagreen
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #b866ea: 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 #b866ea 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 #b866ea 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
- **Cadet Blue** #5f9ea0 [harmony: triadic] — Cadet Blue completes a triad with #b866ea — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/cadetblue

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

- On white (#ffffff): 3.43:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #a743e5 (4.59:1); AA: background → #242424 (4.53:1); AAA: text → #841bc5 (7.13:1)
- On black (#000000): 6.13:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #c078ed (7.15:1)

## Brands using this color

- **Loom** — accent #bf63f3 (Δ 1.873) — https://brandsweets.com/colors/brands/loom-com

## 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/b866ea-b99cc4-bdcb62-2d1f2c-eae9f1?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: "#b866ea" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.