扁平化卡通风文具办公学习元素

Low-saturation flat minimalist learning tool icons on white background, soft muted color palette with maximum two colors per icon, pixel-perfect vector style, flashcards with cards in dusty lavender and light gray, highlighter set in soft lilac and cream, sticky tabs in muted mauve and off-white, bookmark with ribbon in dusty purple and light gray, study planner in soft wisteria and cream, timer for study in muted orchid and sand, note cards in dusty lavender and light beige, index tabs in soft periwinkle and gray, reading glasses in muted violet and cream, nine icons evenly distributed in three rows and three columns, clean geometric shapes with harmonious low-saturation palette, no facial expressions, pure minimalist study aid representation.