Why did joan miro mostly use red yellow blue green and black?

Joan Miró primarily used red, yellow, blue, green, and black due to their vibrant, emotional qualities and strong visual impact. These colors allowed him to create dynamic contrasts and evoke feelings, aligning with his desire to express dreams, subconscious thoughts, and a sense of playfulness. His palette was influenced by both the surrealist movement and his Catalan heritage, emphasizing a connection to nature and the landscape of his homeland. Ultimately, these colors became a signature aspect of his artistic identity.