Opposites on the colour wheel create vibrant, dramatic contrasts in the backyard. Pair purples and yellows, oranges and blues, or reds and greens, like versions like magenta and chartreuse for dynamic shade mixtures. flowers have deep purple petals showing black in opposition to silver calyces and include a sweet nectar https://maps.google.com/url?q=https://www.westhillsmasonry.com/backyard-patio/