Why were ancient Egyptian sarcohpagus' decorated colorfully?

Question

Why were the sarcophagus' decorated the way they were?

Answer 1

They told the story of the pharoah's life. All the walls and ceilings of the tombs were painted in vivid colours depicting scenes from his life

Answer 2

the answer is amazingly easy, the Ancients Egyptians did not flow everywhere, definite we've been mixed, yet we (modern Egyptians) are the in difficulty-free words descendants of the Ancients, no human being else.