<Play School Palette Without Green>
1. Sunshine Yellow - 
                            
                            #FDD835
                         - A bright and cheerful yellow that evokes happiness and energy, perfect for engaging young minds.
2. Sky Blue - 
                            
                            #64B5F6
                         - A soft, calming blue reminiscent of clear skies, fostering a sense of peace and creativity.
3. Cotton Candy Pink - 
                            
                            #F48FB1
                         - A playful pink that adds a touch of whimsy and fun, appealing to children's imaginations.
4. Orange Burst - 
                            
                            #FFB74D
                         - A warm, inviting orange that stimulates excitement and enthusiasm, great for playful environments.

This revised color palette maintains a vibrant and inviting atmosphere suitable for play schools, while removing the green to streamline the options.

Would you like to add a new color to replace the green, or explore different aspects of this palette?