Sample books of stain
A1 - oak
B2 - birch
C3 - beech
D4 - scalded beech
E5 - alder
F6 - cherry
G7 - fair calvados
H8 - mahogany
I9 - dark calvados
J10 - walnut
K11 - wenge
L12 - black
Warning: the exact colour shades depend on your computer monitor setting.