color c = color(0, 51, 102); // Create a new color
color g = color(0, 126, 255, 220); // Create a new color
float a = alpha(c); // Assign 255.0 to a
float b = alpha(g); // Assign 220.0 to b
println(a + ", " + b); // Prints "255.0, 220.0"