crimson vs lilac

crimson

• Having a deep red colour. 

• Immodest. 

• To dye with crimson or deep red; to redden. 

• To become crimson or deep red; to blush. 

• A deep, slightly bluish red. 

lilac

• Having a pale purple colour. 

• A flower of the lilac shrub. 

• A pale purple color, the color of some lilac flowers. 

• A large shrub of the genus Syringa, especially Syringa vulgaris, bearing white, pale-pink, or purple flowers.