This colour is part of the new TWSBI 1791 limited edition ink glass set and was created based on the book written in 1791 called "Dream of the Red Chambers". It is one of Chinas 4 largest classic novels. The colours of this series are selected according to the descriptions and buildings in this book and have been specially developed for this ink series. The series consists of the colours sky blue, emerald green, royal purple, pink, orange and prairie green. Ink is water soluble. Only available for a limited time.