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Name

alpha()

Examples
example pic
noStroke();
color c = color(0, 126, 255, 102);
fill(c);
rect(15, 15, 35, 70);
float value = alpha(c);  // Sets 'value' to 102
fill(value);
rect(50, 15, 35, 70);
Description Extracts the alpha value from a color.
Syntax
alpha(rgb)
Parameters
rgb int: any value of the color datatype
Returnsfloat
Relatedred()
green()
blue()
hue()
saturation()
brightness()
Updated on January 21, 2019 10:05:12am EST

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