2015 © Colin McCallum Synthesis Orange Blue Yellow 2015 Acrylic on Canvas 70 x 70 cms Price Quote Here.. (Please add ‘product name’ in message) Name Email Address Message 5 + 11 = Submit Synthesis Orange Blue Yellow 2015 Synthesis Orange Purple Blue 2015 Synthesis Pink Blue 2015 Synthesis Yellow Orange Green 2015 Synthesis Orange Pink Green 2014