The song "In My Head" is about chasing your dreams and not letting anyone else bring you down. The lyrics describe the feeling of walking through a busy city, trying to stay strong and positive despite the negativity and criticisms of others. The singer expresses their determination to keep dreaming and reaching for the stars, even if it means facing challenges and setbacks along the way. The chorus repeats the phrase "It's all in my head, I'm gonna dream in color" to emphasize the power of positive thinking and the importance of staying optimistic. Overall, the song encourages listeners to stay focused on their goals and keep chasing their dreams, no matter what obstacles they may face.