Color Palette for Running Expo Show in Holland:

1. Tulip Red
   - Hex Code: 
          
          #FF4040
       
   - A vibrant and energetic red inspired by the iconic tulip fields in Holland.

2. Windmill White
   - Hex Code: 
          
          #F0F0F0
       
   - A clean and crisp white reminiscent of the traditional windmills scattered across the Dutch countryside.

3. Delft Blue
   - Hex Code: 
          
          #3366CC
       
   - A classic blue shade inspired by the famous Delftware pottery from the Netherlands.

4. Canal Green
   - Hex Code: 
          
          #33CC99
       
   - A refreshing green hue reflecting the lush greenery along the picturesque canals of Holland.

5. Cheese Yellow
   - Hex Code: 
          
          #FFD700
       
   - A bright and cheerful yellow reminiscent of the delicious Dutch cheese markets.

6. Bike Black
   - Hex Code: 
          
          #333333
       
   - A sleek and modern black shade symbolizing the ubiquitous bicycles that are a common sight in Holland.

This color palette captures the essence of a running expo show in Holland, incorporating vibrant hues inspired by the country's rich cultural heritage and picturesque landscapes.