Black Watch
In pattern BKBKBKGKGKBKBGKGKBKB.
This was sourced from weddslist. It is a 20 stripes tartan.
Original link http://www.weddslist.com/cgi-bin/tartans/pg.pl?source=rb
Thread count
DB/12 K1 DB1 K1 DB1 K8 G8 K1 G8 K8 DB8 K1 DB1 G6 K1 G6 K3 DB4 K1 DB/1

Palette
Each colour and its ΔE from the base-6 reference it is a variant of.
| Colour | Shade | Base | ΔE (OKLab) |
|---|---|---|---|
| DB | #00004C #00004C | B #2C4084 | 0.21 |
| G | #004C00 #004C00 | G #006400 | 0.08 |
| K | #000000 #000000 | K #000000 | 0.00 |
ID: /setts/s20/b12k1b1k1b1k8g8k1g8k8b8k1b1g6k1g6k3b4k1b1-b00004c-g004c00-k000000/