Color Palette: Grayscale with a Touch of Yellow

1. Color Name: Charcoal Gray
   Hex Code: 
          
          #333333
       
   Description: A deep, dark gray that sets a strong foundation for the palette.

2. Color Name: Ash Gray
   Hex Code: 
          
          #999999
       
   Description: A mid-tone gray that provides balance and neutrality.

3. Color Name: Pale Yellow
   Hex Code: 
          
          #FFFF99
       
   Description: A subtle, soft yellow that adds a touch of warmth and contrast.

4. Color Name: Platinum
   Hex Code: 
          
          #E5E4E2
       
   Description: A light gray with a hint of warmth, creating a gentle contrast with the darker grays.

5. Color Name: Steel Gray
   Hex Code: 
          
          #6D6D6D
       
   Description: A cool, medium gray that complements the overall palette.

6. Color Name: Mustard
   Hex Code: 
          
          #FFDB58
       
   Description: A bold, rich yellow that adds a pop of color and vibrancy to the palette.

This palette combines classic grayscale tones with a subtle touch of yellow to create a sophisticated and inviting color scheme for a betting application.