如何从color.new()中提取颜色

Question

orangeWith80Transp = color.new(color.orange, 80)

如何从orangeWith80Transp中提取不透明的颜色?

pureOrange = ?

Answer 1

pureOrange = color.new(color.orange, 0)

或

pureOrange = color.new(orangeWith80Transp, 0)