Ross
In pattern BRBRGRGRGRGRGRBRBRBR.
This was sourced from register-of-tartans. It is a 20 stripes tartan.
Original link https://www.tartanregister.gov.uk/tartanDetails.aspx?ref=3552
Thread count
B/36 R4 B36 R36 G4 R8 G4 R36 G36 R4 G36 R4 G36 R36 B2 R2 B4 R2 B2 R/36

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 |
| R | #DC0000 #DC0000 | R #C80000 | 0.04 |
ID: /setts/s20/b36r4b36r36g4r8g4r36g36r4g36r4g36r36b2r2b4r2b2r36-b2c4084-g005020-rdc0000/