SpongeBob SquarePants complementary colors

Quick answer：

Complementary colors are pairs of colors that, when combined, cancel each other out and create a grayscale color. In the context of SpongeBob SquarePants, complementary colors could refer to the color scheme used in the animation, which typically features a vibrant and colorful palette. The show's main character, SpongeBob, is usually depicted in a bright yellow color, which is complemented by blue, green, and purple hues. No specific complementary color scheme is universally applied, but the general use of contrasting colors is characteristic of the show's style.