<Casual Excel Schedule Palette>
1. Sky Blue - 
                            
                            #87CEEB
                         - A light and airy blue that evokes a sense of calm and openness.
2. Soft Mint - 
                            
                            #98FF98
                         - A refreshing mint green that creates a friendly and inviting atmosphere.
3. Peach - 
                            
                            #FFDAB9
                         - A warm peach that adds a touch of warmth and friendliness to the schedule.
4. Lavender - 
                            
                            #E6E6FA
                         - A gentle lavender that promotes tranquility and creativity.
5. Sunshine Yellow - 
                            
                            #FFFACD
                         - A soft yellow reminiscent of sunny days, bringing positivity and cheer.
6. Coral Pink - 
                            
                            #FF7F50
                         - A lively coral that adds a fun and vibrant twist to task highlights.
7. Light Beige - 
                            
                            #F5F5DC
                         - A neutral beige that grounds the palette while keeping the overall look light and casual.

This casual color palette is designed to create a friendly and approachable look for your Excel schedule. The colors are soft and inviting, making the schedule feel less formal and more user-friendly.

Are there any specific functions or tasks you want to emphasize? Would you like to incorporate any specific graphics or icons?