Fevicryl Glass Colours. 115mL Fevicryl Glass Colours are an innovative range of hobby colors from Pidilite, They are ready-to-use and do not require any medium, They are water-based and non-toxic. Creating stain glass effects with Fevicryl Glass Colours is not only easy but it is great fun too! Each box set of Fevicryl Glass Colors contains 1 x 15mL tube of black outliner & 10 x 10mL colors tubes. The included colors are: Tomato Red, Golden Yellow, Sea Blue, Crystal Green, Brown, Pink, Black, White, Ultramarine Blue, and Orange.