Farquharson (Vestiarium Scoticum) or MacEwen/MacEwan
In pattern BKBKBKBKBKGKYKGKBKBKBKGKRKGK.
This was sourced from register-of-tartans. It is a 28 stripes tartan.
Original link https://www.tartanregister.gov.uk/tartanDetails.aspx?ref=1150
Thread count
B/6 K4 B6 K4 B56 K4 B6 K4 B6 K38 G44 K2 Y8 K2 G44 K38 B32 K4 B6 K4 B32 K38 G44 K2 R8 K2 G44 K/72

Palette
Each colour and its ΔE from the base-6 reference it is a variant of.
| Colour | Shade | Base | ΔE (OKLab) |
|---|---|---|---|
| B | #2C4084 #2C4084 | B #2C4084 | 0.00 |
| G | #005020 #005020 | G #006400 | 0.08 |
| K | #101010 #101010 | K #000000 | 0.17 |
| R | #DC0000 #DC0000 | R #C80000 | 0.04 |
| Y | #E8C000 #E8C000 | Y #E8C000 | 0.00 |
ID: /setts/s28/b6k4b6k4b56k4b6k4b6k38g44k2y8k2g44k38b32k4b6k4b32k38g44k2r8k2g44k72-b2c4084-g005020-k101010-rdc0000-ye8c000/