Last week I made during three days 47 sheets of tissue foil in 44 colour combinations:

Click on the picture for a larger image.
I made them with white glue rolled onto the foil.
They are ordered so that the colour next to each colour is the colour on the back as well, except the ones that are the same colour on both sides.
From left to right:
black - black
dark yellow - black
yellow - dark yellow
black - yellow
light blue - black
blue violet - light blue
yellow - blue violet
dark green - yellow
red - dark green
yellow - red
brown - yellow
dark green - brown
light pink - dark green
white - light pink
red - white
orange - red
light blue - orange
silver - light blue
dark green - silver
brown - dark green
white - brown
dark yellow - white
black - dark yellow
purple - black
light blue - purple
gold - light blue
black - gold
white - black
pink - white
dark green - pink
yellow - dark green
dark yellow - dark yellow
orange - orange
red - red
purple - purple
blue violet - blue violet
dark blue - dark blue
light blue - light blue
dark green - dark green
light green - light green
yellow - yellow
white - white
light pink - light pink
pink - pink
brown - brown
turquoise - turquoise
And finally the yellow black sheet I made the Ring Tailed Lemur from.