扁平化手绘风教师学生毕业生校园学习元素

Low-saturation flat minimalist educational role icons on white background, soft muted color palette with maximum two colors per icon, pixel-perfect vector style, teacher with pointer in sage green and cream, student with backpack in muted mint and off-white, tutor with book in soft seafoam and light beige, librarian with cart in dusty green and cream, researcher with magnifier in muted moss and sand, mentor with handshake in soft celadon and cream, graduate with cap in dusty sage and light gray, parent with child in muted pistachio and cream, principal with building in soft mint and off-white, nine icons evenly distributed in three rows and three columns, clean geometric shapes with harmonious low-saturation palette, no facial expressions, pure minimalist educational role representation.