The All Ireland Red Tartan Wallpaper
by William Mortensen Vaughan

Source:
The Scottish Register of Tartans
All Ireland Red
Reference: 54
Designer: Lochcarron of Scotland

Official threadcount:
R12AA4DB4R60G4R4LG8R4G4R2G40R2AA4DB4R8

Official palette:
B=2C2C80 BLUE (not mentioned in the official threadcount)
DB=202060 DARK BLUE
G=006818 GREEN
LG=289C18 LIGHT GREEN
R=C80000 RED
LSB=98C8E8 LIGHT SKY (not mentioned in the official threadcount)
AA=789484 ANC AZURE
OG=5C6428 OLIVE GREEN (not mentioned in the official threadcount)

Threadcount actually used for this wallpaper:
R12AA4DB4R60G4R4LG8R4G4R2G40R2AA4DB4R8

Palette actually used for this wallpaper:
DB=202060 DARK BLUE
G=006818 GREEN
LG=289C18 LIGHT GREEN
R=C80000 RED
AA=789484 ANC AZURE

Note:
I used the official threadcount and the official palette entries called for by that threadcount.