You might remember the meaning of the character 颜 with this easy mnemonic:
My teacher looked at the lid (亠) of my cup and raised her eyebrows (丷) at the color. She said I should throw it off a cliff (厂) and remake a cup with bristles (彡) and leaves (頁) because even that would look better.
Using mnemonics to remember the meaning of Chinese characters like has a huge impact on how long to learn Mandarin it takes.