Lumsden Short Version
In pattern GWGRGYGRGRGRGRGRWRBRBRWRBRBRBR.
This was sourced from weddslist. It is a 30 stripes tartan.
Original link http://www.weddslist.com/cgi-bin/tartans/pg.pl?source=sts
Thread count
G/12 LN2 G12 R6 G6 Y2 G6 R6 G8 R6 G10 R18 G4 R8 G4 R18 LN2 R8 B22 R4 B22 R8 LN2 R18 B2 R2 B4 R2 B2 R/18

Palette
Each colour and its ΔE from the base-6 reference it is a variant of.
| Colour | Shade | Base | ΔE (OKLab) |
|---|---|---|---|
| B | #304080 #304080 | B #2C4084 | 0.01 |
| G | #008000 #008000 | G #006400 | 0.09 |
| LN | #E0E0E0 #E0E0E0 | W #F4F4F0 | 0.06 |
| R | #C00000 #C00000 | R #C80000 | 0.02 |
| Y | #F0C000 #F0C000 | Y #E8C000 | 0.01 |
ID: /setts/s30/g12w2g12r6g6y2g6r6g8r6g10r18g4r8g4r18w2r8b22r4b22r8w2r18b2r2b4r2b2r18-b304080-g008000-rc00000-we0e0e0-yf0c000/