Matched to the original helmet this set contains 1 bottle of each of these 15 colours.The new Acrylic ESB Fett Helmet set is made up of 3 mini sets that can now be bought separately as well 

Sets

3, F1, F2 each contains five colours 

Colours

1975 D&H Caboose red (Cheek and Mix with Engine black for cheek Maroon colour)

Light Earth  (ear and stains )

1975 Dark Green ( mix with Engine black for rear dark Green panels)

1975 Light Green (mix with Sp Lark DK Grey for the dome and cheeks)

1975 Engine black 

1975 SP Lark Dark Grey (main grey )

1975 SP Armour Yellow (kill stripes)

Dark Grime (Rear)

1975 Reefer White

1975 Rust ( splats and stains & possibly used to darken Kill stripes )

1975 SP Lettering Grey 

1975 Mud (splats and stains )

SP Scarlet ( possibly used to darken Kill stripes ) We think this colour is more likely than Reefer Orange 

1975 SP Lark Light Grey (a possible for mixing with Light Green to get the Dome colour ) Also used for weathering 

1975 Roof Brown (also now believed to be possibly used for weathering and stains , splatting )

Other colours recommended but not included in the set are

1975 Weathered Black

Light Reefer Grey 

1975 Reefer Orange  

Other colours known or potentially used on Fett ROTJ and ESB Fett Armour can be bought seperatly 

1975 Foundation

1975 Coach Green