# #a680cb

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

## Values

- Hex: `#a680cb`
- RGB: rgb(166, 128, 203)
- HSL: hsl(270, 42%, 65%)
- OKLCH: oklch(0.665 0.115 306.8)
- Relative luminance: 0.2786
- Nearest named color: Petrified Purple (#9c87c1, Δ 3.002) — https://brandsweets.com/colors/petrified-purple
- Moods: cool, modern
- Page: https://brandsweets.com/colors/a680cb

## Tints & shades

- Tints (toward white): #ad8bd0, #b89ad6, #bfa4da, #c7afde, #d1bee4, #d9c9e9, #e0d4ed, #e8def2, #f2edf8, #faf8fc
- Shades (toward black): #966bc2, #8755b9, #7846aa, #693d94, #59347f, #472965, #382150, #29183a, #1a0f24, #0a060e

## Harmonies

- Complementary: #a6cb80
- Analogous: #8080cb, #cb80cb
- Triadic: #cba680, #80cba6
- Split-complementary: #cbcb80, #80cb80
- Tetradic: #cb8080, #a6cb80, #80cbcb

## Colors that go with #a680cb

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #a680cb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/charcoal
- **Medium Sea Green** #3cb371 [harmony, pool: complementary] — Medium Sea Green sits directly opposite #a680cb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/mediumseagreen
- **Taupe** #483c32 [pool] — Taupe is paired with #a680cb in 5 real palettes, including Obsidian's brand system and Dusk, as the text colour against it. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Dusk (https://brandsweets.com/palettes/cool#dusk), Loom (https://brandsweets.com/colors/brands/loom-com), Retool (https://brandsweets.com/colors/brands/retool-com). — https://brandsweets.com/colors/taupe
- **Amber** #ffbf00 [pool] — Amber is paired with #a680cb in 3 real palettes, including Blueprint and Mastodon hosted on mastodon.social's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 3 real palettes, including Canva's brand system and Spotify's brand system put Blue beside #a680cb, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/blue
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #a680cb in 3 real palettes, including Obsidian's brand system and Ledger Dark, as the accent. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Supabase (https://brandsweets.com/colors/brands/supabase). — https://brandsweets.com/colors/emerald-green
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #a680cb in 3 real palettes, including Ledger Dark and Open House, as the lead colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Open House (https://brandsweets.com/palettes/clean#open-house), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty). — https://brandsweets.com/colors/goldenrod
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Plaid's brand system and Open House put Midnight Blue beside #a680cb, as the supporting colour. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Open House (https://brandsweets.com/palettes/clean#open-house), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 3.2:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #8f60be (4.58:1); AA: background → #292929 (4.55:1); AAA: text → #70419f (7.13:1)
- On black (#000000): 6.57:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ab88ce (7.14:1)

## Fonts for this mood

- 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/a680cb-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: "#a680cb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.