Accidentally discovered blue hue to soon be accessible in crayon form!
The shade is the first new blue pigment to be created since the French chemist Louis Jacques Thenard discovered cobalt blue in 1802.
May 14, 2017, 20:20 PM IST
The shade is the first new blue pigment to be created since the French chemist Louis Jacques Thenard discovered cobalt blue in 1802.
May 14, 2017, 20:20 PM IST