Holbein Artists' Water Color Tube Set we have 18 colors, 24 colors, 30 colors, 48 colors, 60 colors and 108 colors in a set for your choice. 
 
 
 
Set of 18 Colors (5ml): is a set of 18 Artist Watercolors in 5ml tubes.
 
Set Contents:
[table width=”800px”]
Item #, Color Name,,
W010, Crimson Lake, W034, Yellow Ochre, W097, Prussian Blue
W012, Rose Madder, W066, Permanent Green No.1, W112, Mineral Violet
W019, Vermilion Hue, W067, Permanent Green No.2, W134, Burnt Sienna
W032, Jaune Brillant No.2, W061, Viridian Hue, W133, Burnt Umber
W035, Permanent Yellow Lemon, W096, Compose Blue, W138, Ivory Black
W037, Permanent Yellow Deep, W091, Cobalt Blue Hue, W002, Chinese White
 
 
 
Set of 24 Colors (5ml) is a set of 24 Artist Watercolors in 5ml tubes.
 
Set Contents:
 
Crimson Lake, W063, Cobalt Green, W094, Ultramarine Deep, Rose Madder, W066, Permanent Green No.1, W097, Prussian Blue, Vermilion Hue, W067, Permanent Green No.2, W112, Mineral Violet, Jaune Brillant No.2, W065, Terre Verte, W130, Light Red, Permanent Yellow Lemon, W061, Viridian Hue, W134, Burnt Sienna, Permanent Yellow Deep, W096, Compose Blue, W133, Burnt Umber, Yellow Ochre, W092, Cerulean Blue, W143, Ivory Black,Yellow Grey, W091, Cobalt Blue Hue, W002, Chinese White
 
 
 
You can check the colors options other color tube sets from Holbein's Official Website :
 
http://www.holbeinartistmaterials.com/artist-watercolor-sets/