Change the color variable to change the hue of the blocks. A hue of 0 will make red, 10 will make orange, 15 will make yellow, 20 will make yellow-green, 25 will make light green, 30 will make green, 50 will make light blue, 60 will make blue, 80 will make purple, 90 will make pink, and 100 will make red.
