simplified contrasts function
simplified contrasts function

manuelWeb/randomColor,manuelWeb/randomColor,abhishekbhalani/randomColor,ganlanyuan/randomColor,rstr74/randomColor,daviesgeek/randomColor,davidmerfield/randomColor,ahmadruhaifi/randomColor,tricialing/randomColor,guillermoandrae/randomColor,tricialing/randomColor,guillermoandrae/randomColor,mcanthony/randomColor,rstr74/randomColor,daviesgeek/randomColor,grandsong/randomColor,2947721120/Random-Color,haolee1990/randomColor,2947721120/Random-Color,nathanielcollum/randomColor,ahmadruhaifi/randomColor,nathanielcollum/randomColor,ganlanyuan/randomColor,grandsong/randomColor,wangjun/randomColor,abhishekbhalani/randomColor,mcanthony/randomColor,haolee1990/randomColor,wangjun/randomColor