gistfile1.pde

// extracting single channels from Processings color type
// 

color c = color( 123, 234, 95, 125 );  // this is: color ( red, green, blue, alpha )
 
println( "Color in Hex:\t0x" + Integer.toHexString( c ).toUpperCase() );
 
int alpha = ( c >> 24 ) & 0xFF;
int red   = ( c >> 16 ) & 0xFF;
int green = ( c >> 8 )  & 0xFF;
int blue  =   c         & 0xFF;
 
println( "A: "+alpha+"\tR: "+red+"\tG: "+green+"\tB: "+blue );
 
int c2 = ( alpha << 24 | red << 16 | green << 8 | blue );
 
println( c == c2 ? "Colors are equal!" : "Nope. Somethings wrong!" );