Here’s a color palette designed for an Excel table with black text, optimized for printing and accessibility, particularly for individuals with color blindness. The colors are distinct, ensuring clarity and differentiation.

### Color Palette for Excel Table

| Color Name        | Hex Code | Description                               |
|-------------------|----------|-------------------------------------------|
| Sky Blue          | 
          
          #0091D5
         | A bright and clear blue for highlighting headers. |
| Bright Orange     | 
          
          #FFA500
         | A vibrant orange that stands out for emphasis. |
| Light Green       | 
          
          #66CDAA
         | A soft green that is easy on the eyes, great for subtler data. |
| Dark Purple       | 
          
          #5E2B91
         | A rich purple that adds depth and contrast. |
| Golden Yellow     | 
          
          #FFD700
         | A warm yellow for drawing attention to important cells. |
| Light Coral       | 
          
          #FF7F50
         | A lively coral that is warm and inviting.  |
| Slate Gray        | 
          
          #708090
         | A neutral gray that contrasts well with black text. |
| Tomato Red        | 
          
          #FF6347
         | A bright red that is easy to see, perfect for alerts or warnings. |
| Teal              | 
          
          #008080
         | A deep teal for a refreshing look that pairs well with many colors. |
| Lavender          | 
          
          #E6E6FA
         | A pale lavender that softens the palette while maintaining visibility. |
| Olive Green       | 
          
          #808000
         | A muted yet visible green that works well for categorization. |
| Steel Blue        | 
          
          #4682B4
         | A cool steel blue that provides a calm backdrop without overwhelming. |

### Palette Description
This palette consists of 12 distinct colors that cater to readability and printing requirements. Each color was carefully selected to provide enough contrast against black text, ensuring that individuals with color blindness can easily differentiate between them. The combination of warm and cool tones allows for a balanced and visually appealing Excel table that enhances data presentation while maintaining accessibility.