Perylene Red is a light red pigment. Perylene is a modern synthetic organic pigment and was first available as a dye around 1912 before becoming available as an artist pigment in the late 1950s.
Potter's Pink is a soft rose colour. It is a semi-opaque colour with excellent lightfast qualities. It is commonly used in ceramics and frescos, giving its name Potter's Pink.
Scarlet Lake is a bright red with orange-yellow undertones. The name stems from a type of fine woollen cloth called scarlet cloth which was often dyed red, leading it to become the pigment's name.
French Ultramarine is a rich transparent blue. It was created by French chemist Guimet in 1828 as a synthetic but chemically identical alternative to the expensive pigment derived from Lapis Lazuli.