What about a combination of BLUE & GREEN, please - this is Quoted from Google "Balance, growth, vitality, and renewal - Green is a color that embodies a wide range of meanings and emotions. In psychology, green is often associated with balance, growth, vitality, and renewal. It is a color that promotes mental clarity and calmness, making it suitable for environments where concentration is needed without pressure. Green is also linked to emotional balance and safety, providing reassurance and comfort. It is commonly used in healthcare settings due to its calming effects on patients and its association with healing and renewal. Green's positive psychological impact is evident in its ability to support a relaxed but alert mental state, making it ideal for focus and emotional regulation." as well as BLUE "Calmness, trust, and stability The color blue holds significant psychological meanings, often associated with calmness, trust, and stability. It is commonly linked to emotional balance and mental clarity, making it a soothing color that can reduce stress and promote relaxation. Blue is also seen as a symbol of loyalty and dependability, often used in branding by organizations to convey trustworthiness. Additionally, blue can evoke feelings of wisdom and intuition, connecting individuals to the vastness of the sky and ocean. Overall, blue is a versatile color that can inspire feelings of peace and introspection, making it a popular choice in various contexts, from fashion to design." I believe these are both very applicable to ADHD