# #a166f9

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

## Values

- Hex: `#a166f9`
- RGB: rgb(161, 102, 249)
- HSL: hsl(264, 92%, 69%)
- OKLCH: oklch(0.643 0.211 298.8)
- Relative luminance: 0.2392
- Nearest named color: Orion Nebula (#a55af4, Δ 2.46) — https://brandsweets.com/colors/orion-nebula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/a166f9

## Tints & shades

- Tints (toward white): #aa76f9, #b485fa, #bd93fb, #c6a2fb, #cfb1fc, #d5bafc, #dec9fd, #e7d8fd, #f0e7fe, #f9f5ff
- Shades (toward black): #8f4af7, #7a28f6, #680af5, #5909d3, #4d08b5, #3e0693, #320576, #230353, #170236, #080114

## Harmonies

- Complementary: #bef967
- Analogous: #6776f9, #ea67f9
- Triadic: #f9a167, #67f9a1
- Split-complementary: #f9ea67, #76f967
- Tetradic: #f96776, #bef967, #67f9ea

## Colors that go with #a166f9

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 #a166f9 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a166f9 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
- **Taupe** #483c32 [pool] — Taupe is paired with #a166f9 in 3 real palettes, including Obsidian's brand system and Loom's brand system, as that palette's text colour. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Loom (https://brandsweets.com/colors/brands/loom-com), 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 #a166f9: 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 #a166f9: 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 #a166f9 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
- **Charcoal** #36454f [role] — Charcoal is the text near-black for #a166f9: softer than #000 and cool enough to feel like part of the same palette. — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #a166f9: 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

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

- On white (#ffffff): 3.63:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8f4af7 (4.68:1); AA: background → #1f1f1f (4.54:1); AAA: text → #680af5 (7.12:1)
- On black (#000000): 5.78:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b180fa (7.34:1)

## 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/a166f9-b19cc4-dfd34e-2b1f2d-e9eaf1?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: "#a166f9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.