หมวดหมู่:กล่องนำทางที่ใช้สีพื้นหลัง

I cannot write an accurate overview based on the context provided, as it only identifies this as a "Wikimedia category" without describing what navboxes using background colours are or their purpose. To provide accurate information to a general reader, I would need additional details about what this category contains and why it exists.

AI-generated from the Wikipedia summary — may contain errors.