Sand: FS 20118 - 20277 (Humbrol HB-12 Mid Stone) - FS 20118 is much darker than 26360, FS 20277 is reasonably close but browner
Groen: FS 24102 (Humbrol HI-1 Mottle Green) - lighter than FS 24077
Bruin: FS 20045 (Humbrol HF-6 Chocolat) - this agrees well with FS 20059
FS 20059 = Humbrol 98 (10059)/Xtracolor 210 T:XF-10
FS 24077 = Humbrol 172/Xtracolor X223 GS:H320 T:XF-61?
FS 26360 = Humbrol 168/Xtracolor X16 GS:H336