colorful lineup of backpacks on a white backdrop backtoschool theme

backpacks school supplies back education stationery laptop bag kids items accessories gear student life campus essentials notebooks pencils erasers graphic design colorful rgb vibrant hues bright colors pastel shades neon accents primary palette secondary tertiary monochromatic scheme analogous combinations contrasting pairs textured fabric smooth materials leather finishes nylon material durable construction compact ergonomic handles waterresistant coating branding elements product logos marketing strategy advertising campaign packaging concept minimalist style