Yellow Blue Red I / Geel Blauw Rood I

Transparancy of all the color fields = 50%. Total of fields: yellos, 15; blure, 15; red, 15; pink, 10; purple, 4; brown, 1. All the fields are 250 x 250px. The grey background changes every second into another shade of grey. There are 68 shades of grey. The brown plane is located in front of all the other colors.