Colour Code Rectangles

50, 90 – 6 of each colour, 100, 150 – 10 of each colour, 180 – 12 of each colour, 200, 270 – 18 of each colour, 300 – 20 of each colour, 360 – 24 of each colour, 500, 600 – 40 of each colour, 1000, 1200 – 80 of each colour