Based on the two color palettes on the left, the first one was based on color mixing. How Red and Purple makes magenta, Blue and green makes another version of green. Green and purple makes a mud color. Red and green is brown. Yellow and brown makes a light brown and orange and blue also is brown. For the second one, 1 one split complementary, 2 was triad, 3 was monochromatic and 4 was anologus