Well fear not, Joan at flowers by bornay has took care of that by using some simple spray colour. Three sprays have been used here blue, purple, and light blue.
Sometimes one colour for one plant, sometimes the three colors at same time in one plant. the result is rather eye catching wouldn't you say..
Give it a go, use your colours, use them in arrangements, centerpieces, and bouquets..
images via http://flowersbybornay.blogspot.com/