lines and a simple geometric repeating pattern.
You can find this pattern in two other color palettes: Candy Color Palette: https://www.spoonflower.com/designs/13839323-mid-century-modern-geometric-candy-color-palette-by-draw_forth Watermelon Color Palette: https://www.spoonflower.com/designs/13839934-mid-century-modern-geometric-design-watermellon-palette-by-draw_forth