Indian Red is an opaque red colour with blue undertones. Originally made of natural red iron oxides found in earth, it is one of the oldest pigments and is favoured for its permanence.
Magenta is a rich deep violet red colour. It is a transparent pigment. The name Magenta comes from a lake colour named in 1859 after the battle in Magenta, Italy.
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.