Here are handy Spanish vocabulary flashcards featuring colors. I have a kiddo who is color blind!
Flags of Spanish-Speaking Countries Coloring Sheets These coloring pages practice Spanish colors using 20 flags of Spanish-speaking countries. Line versions of each flag have the color in Spanish for each section of the flag (rojo, blanco, azul, etc.) https://www.teacherspayteachers.com/Product/Flags-of-Spanish-Speaking-Countries-Coloring-Sheets-1915508