Here’s a color palette inspired by Hatsune Miku, capturing her signature colors and aesthetic:

 <Hatsune Miku Theme> 
1. Aqua - 
                            
                            #39B3D7
                         - A vibrant aqua blue, representing Miku's iconic hair color.
2. Black - 
                            
                            #000000
                         - A deep black, symbolizing her outfit and adding contrast.
3. Light Gray - 
                            
                            #D3D3D3
                         - A soft light gray, reminiscent of the futuristic and techy elements.
4. Mint Green - 
                            
                            #A3D5D5
                         - A fresh mint green, reflecting the playful and lively spirit of Miku.
5. Neon Pink - 
                            
                            #FF0099
                         - A bright neon pink, inspired by the accents and details in her design.

This palette combines the key colors associated with Hatsune Miku, creating a lively and modern aesthetic that’s perfect for a spreadsheet themed around her.

Do you have any specific sections of the spreadsheet in mind that you want to highlight or any particular features you’d like to incorporate?