<Blue Color Scale for Data Visualization>
1. Light Blue - 
          
          #A4C8E1
        - A soft, calming shade perfect for low data values, providing a gentle background.
2. Sky Blue - 
          
          #7EB3E0
        - A mid-tone blue that works well for average values, adding a sense of clarity.
3. Medium Blue - 
          
          #4A9DD8
        - A vibrant, eye-catching blue that's ideal for highlighting important data points.
4. Steel Blue - 
          
          #2B7BBA
        - A deeper blue that conveys strength and reliability, suitable for higher data values.
5. Dark Blue - 
          
          #1A4F80
        - A rich, dark blue that represents the highest data values, giving a sense of seriousness and depth.

This color palette is designed to create a visually appealing gradient that effectively represents varying data values in a Google Sheets table. The progression from light to dark blue allows users to easily interpret the data at a glance.

What specific data types or values will you be visualizing? Are there any other colors or themes you want to incorporate into your design?