Today, keeping pace with technological advance, the primary colors used initially have been supplemented by metallic colors and various unimaginable shades and mixtures. But the spirit of the festival remains the same. It cuts across all classes, castes, and religions and brings people together. Together, they celebrate the onset of spring by filling their day and life with the colors of joy, prosperity, happiness, and peace.
Read more at: http://www.sensationalcolor.com/color-meaning/color-around-the-world/india-holi-festival-colors-1941#.VASXIPl_sxE | Sensational Color