Formulas Colour Coat B3
The B3 Aqua Color Match app allows you to look up individual colors, according to color code but also provides you with each weight per color to be mixed, depending on how much paint you want to produce in total.
B3 Spectrophotometer (912)
Glasurit Spot Repair system (538)
Glasurit colour online is also available as an app for Android and Apple. Search for Glasurit colour in either App Store or Google Play to install.