Graham Grey - 1820 (Fashion?)
In pattern BKBW.
This was sourced from tartans-authority. It is a 4 stripes tartan.
Original link http://www.tartansauthority.com/tartan-ferret/display/8858/
Thread count
N/100 K36 N40 W/8

Palette
Each colour and its ΔE from the base-6 reference it is a variant of.
| Colour | Shade | Base | ΔE (OKLab) |
|---|---|---|---|
| K | #101010 #101010 | K #000000 | 0.17 |
| N | #5C5C5C #5C5C5C | B #2C4084 | 0.14 |
| W | #FCFCFC #FCFCFC | W #F4F4F0 | 0.03 |
Sample pattern

ID: /setts/s4/b100k36b40w8-b5c5c5c-k101010-wfcfcfc/