# #a660f0

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

## Values

- Hex: `#a660f0`
- RGB: rgb(166, 96, 240)
- HSL: hsl(269, 83%, 66%)
- OKLCH: oklch(0.634 0.21 303.3)
- Relative luminance: 0.2276
- Nearest named color: Orion Nebula (#a55af4, Δ 1.396) — https://brandsweets.com/colors/orion-nebula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/a660f0

## Tints & shades

- Tints (toward white): #ae6ef2, #b67cf3, #c08ff5, #c89df6, #d0abf7, #d8b9f8, #e0c7fa, #eadafc, #f2e8fd, #faf6fe
- Shades (toward black): #9644ee, #8628eb, #7514db, #6612bf, #570fa3, #480d87, #390a6b, #28074b, #19042f, #0a0213

## Harmonies

- Complementary: #abf060
- Analogous: #6063f0, #ee60f0
- Triadic: #f0a660, #60f0a6
- Split-complementary: #f0ee60, #63f060
- Tetradic: #f06063, #abf060, #60f0ee

## Colors that go with #a660f0

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 #a660f0 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 #a660f0: 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a660f0 in 3 real palettes, including Loom's brand system and Stripe's brand system, as the lead colour. Seen in: Loom (https://brandsweets.com/colors/brands/loom-com), Stripe (https://brandsweets.com/colors/brands/stripe), Yahoo (https://brandsweets.com/colors/brands/yahoo-com). — https://brandsweets.com/colors/royalblue
- **Dark Goldenrod** #b8860b [harmony: split] — Dark Goldenrod is a split-complement of #a660f0: 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 #a660f0: 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 #a660f0 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 #a660f0: 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 #a660f0: 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): 3.78:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9949ee (4.62:1); AA: background → #1c1c1c (4.51:1); AAA: text → #7715e0 (7.08:1)
- On black (#000000): 5.55:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b67cf3 (7.17:1)

## 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/a660f0-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: "#a660f0" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.