# #a661ea

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

## Values

- Hex: `#a661ea`
- RGB: rgb(166, 97, 234)
- HSL: hsl(270, 77%, 65%)
- OKLCH: oklch(0.632 0.202 304.5)
- Relative luminance: 0.226
- Nearest named color: Orion Nebula (#a55af4, Δ 2.156) — https://brandsweets.com/colors/orion-nebula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/a661ea

## Tints & shades

- Tints (toward white): #ad6fec, #b881ef, #bf8ef0, #c79cf2, #d1aef4, #d9bbf6, #e0c9f8, #e8d6fa, #f2e8fc, #faf6fe
- Shades (toward black): #9646e7, #872be3, #781cd4, #6918b9, #59159e, #47107e, #380d63, #290948, #1a062d, #0a0212

## Harmonies

- Complementary: #a6ea61
- Analogous: #6161ea, #ea61ea
- Triadic: #eaa661, #61eaa6
- Split-complementary: #eaea61, #61ea61
- Tetradic: #ea6161, #a6ea61, #61eaea

## Colors that go with #a661ea

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 #a661ea 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 #a661ea: 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 #a661ea 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 #a661ea: 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 #a661ea: 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 #a661ea 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 #a661ea: 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 #a661ea: 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): 3.8:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #994ae8 (4.67:1); AA: background → #1a1a1a (4.57:1); AAA: text → #7a1cd9 (7.01:1)
- On black (#000000): 5.52:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b57cee (7.08:1)

## 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/a661ea-b59cc4-c9cb62-2c1f2d-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: "#a661ea" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.