The Sklo Union factory colours
The Sklo Union factories of Rudolfova Huť, Heřmanova Huť, Libochovice and Rosice each had their own range of colours as listed below:
Rudolfova Huť
Clear, light blue, steel blue, mid-blue, cobalt, amethyst, lilac, orange, grey (smoke), uranium green, dark green, pink.
Heřmanova Huť
Pink, amethyst, clear, uranium green, light blue, turquoise, yellow, amber.
Libochovice
Clear, dark green, turquoise, light blue, yellow.
Rosice
Clear (01), turquoise (22), dark green (23), spring green (21), amber (42), yellow, citrin (40), light blue (31), mid-blue, cobalt (33), rosalin (11), amethyst (12), lilac (13), smoke (62), black (61) (see image below).