Van Gogh water colours are a student and artist level range of paints featuring brilliant, transparent, and intense colours with high tinting strength. Lightfastness rated at +++ (100+ years under museum conditions). Thanks to the purity and uniform viscosity, these water colours are easy to work with and easy to mix. Proudly produced in Holland with stringent quality control for a consistent experience with every purchase. The Van Gogh water colour range consists of 72 colours in 10ml tubes and in half pans. Easy colour transfer Strong and highly transparent colours Uniform viscosity of the various colours Updated formulation for 2019 - improved opacity and enhanced vividness! Van Gogh water colours are rated as a student and artist level paint range. They feature brilliant, transparent, and intense colours with high tinting strength. Thanks to the purity and uniform viscosity, these water colours are easy to work with and easy to mix. Proudly produced in Holland with stringent quality control for a consistent experience with every purchase. This 10ml tube of Gamboge 238 is formulated with pigment(s) PY154/PR101, is transparent, and has a lightfastness rating of +++ (at least 100 years lightfast under museum conditions).