Keith
In pattern BRBRBKGYGKBKBKBKGYGKBRBR.
This was sourced from register-of-tartans. It is a 24 stripes tartan.
Original link https://www.tartanregister.gov.uk/tartanDetails.aspx?ref=1935
Thread count
B/18 R5 B3 R5 B3 K20 G18 Y4 G18 K20 B20 K6 B6 K6 B20 K20 G18 Y4 G18 K20 B3 R5 B3 R/5

Palette
Each colour and its ΔE from the base-6 reference it is a variant of.
| Colour | Shade | Base | ΔE (OKLab) |
|---|---|---|---|
| B | #1474B4 #1474B4 | B #2C4084 | 0.15 |
| DB | #202060 #202060 | B #2C4084 | 0.11 |
| DBa | #2C2C80 #2C2C80 | B #2C4084 | 0.05 |
| DG | #003820 #003820 | G #006400 | 0.16 |
| DY | #BC8C00 #BC8C00 | Y #E8C000 | 0.16 |
| G | #006818 #006818 | G #006400 | 0.02 |
| K | #101010 #101010 | K #000000 | 0.17 |
| R | #C80000 #C80000 | R #C80000 | 0.00 |
| Y | #E8C000 #E8C000 | Y #E8C000 | 0.00 |
ID: /setts/s24/b18r5b3r5b3k20g18y4g18k20b20k6b6k6b20k20g18y4g18k20b3r5b3r5-b1474b4-g006818-k101010-rc80000-ye8c000/