# #a666ea

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

## Values

- Hex: `#a666ea`
- RGB: rgb(166, 102, 234)
- HSL: hsl(269, 76%, 66%)
- OKLCH: oklch(0.639 0.195 303.8)
- Relative luminance: 0.2355
- Nearest named color: Orion Nebula (#a55af4, Δ 2.993) — https://brandsweets.com/colors/orion-nebula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/a666ea

## Tints & shades

- Tints (toward white): #ae74ec, #b681ee, #c093f0, #c8a1f2, #d0aef4, #d8bcf6, #e0c9f8, #eadbfa, #f2e9fc, #faf6fe
- Shades (toward black): #964be7, #8731e3, #751dd3, #6619b8, #57159d, #481282, #390e67, #280a48, #19062d, #0a0212

## Harmonies

- Complementary: #aaea66
- Analogous: #6669ea, #e866ea
- Triadic: #eaa666, #66eaa6
- Split-complementary: #eae866, #69ea66
- Tetradic: #ea6669, #aaea66, #66eae8

## Colors that go with #a666ea

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 #a666ea 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 #a666ea: 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
- **Taupe** #483c32 [pool] — Taupe is paired with #a666ea 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
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #a666ea: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darkgoldenrod
- **Medium Sea Green** #3cb371 [harmony: split] — Medium Sea Green is a split-complement of #a666ea: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/mediumseagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #a666ea 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #a666ea: two real palettes: Blueprint and Calm's brand system, as the lead colour. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #a666ea: two real palettes: Linkedin's brand system and Hasbro's brand system, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 3.68:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9950e7 (4.51:1); AA: background → #1c1c1c (4.63:1); AAA: text → #771dd7 (7.14:1)
- On black (#000000): 5.71:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b37ded (7.07:1)

## 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/a666ea-b49cc4-cbcb62-2c1f2d-e9e9f1?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: "#a666ea" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.