Islay
In pattern KRKYKRRKRYRKRRKYKRKR.
This was sourced from register-of-tartans. It is a 20 stripes tartan.
Original link https://www.tartanregister.gov.uk/tartanDetails.aspx?ref=1864
Thread count
K/20 N4 K4 Na4 K6 DR16 LT12 K4 LT16 Na4 LT16 K4 LT12 DR16 K6 Na4 K4 N4 K20 LT/80

Palette
Each colour and its ΔE from the base-6 reference it is a variant of.
| Colour | Shade | Base | ΔE (OKLab) |
|---|---|---|---|
| DR | #880000 #880000 | R #C80000 | 0.14 |
| K | #101010 #101010 | K #000000 | 0.17 |
| LT | #A07C58 #A07C58 | R #C80000 | 0.19 |
| N | #888888 #888888 | R #C80000 | 0.24 |
| Na | #B8B8B8 #B8B8B8 | Y #E8C000 | 0.17 |
ID: /setts/s20/k20r4k4y4k6ra16rb12k4rb16y4rb16k4rb12ra16k6y4k4r4k20rb80-k101010-r888888-ra880000-rba07c58-yb8b8b8/