Magenta in the photoshop colour wheel is a secondary colour. This is a good example of Value, the bottom of the flower is white which adds tint to the magenta where as the top of the flower petals is dark and adds shade.
ranunculus. brilliantly colored flowers. frost-hardy cool-season perennial bulbs. perform best where winters are relatively mild and springs are long and cool. make terrific container plants everywhere else. make long-lasting cut flowers.