Color Palette for Free Diving App:

1. Color Name: Deep Blue
   Hex Code: 
                            
                            #003366
                        
   Description: This deep blue shade represents the vastness of the ocean, symbolizing the depths that free divers explore.

2. Color Name: Coral Red
   Hex Code: 
                            
                            #FF4040
                        
   Description: This vibrant coral red color represents the vibrant marine life found in coral reefs, creating an energetic and adventurous atmosphere.

3. Color Name: Aquamarine
   Hex Code: 
                            
                            #00CCCC
                        
   Description: This refreshing aquamarine shade represents the crystal-clear waters that free divers navigate, evoking a sense of tranquility and calmness.

4. Color Name: Sun Yellow
   Hex Code: 
                            
                            #FFCC00
                        
   Description: This warm sun yellow color represents the sunny and bright ambiance that free divers often experience during their dives.

5. Color Name: Seafoam Green
   Hex Code: 
                            
                            #90EE90
                        
   Description: This soothing seafoam green shade represents the gentle waves and the serenity of the sea, creating a relaxing and peaceful atmosphere.

6. Color Name: Deep Ocean Navy
   Hex Code: 
                            
                            #000080
                        
   Description: This deep ocean navy color represents the mysterious depths of the sea, adding a sense of intrigue and adventure to the app's design.

7. Color Name: Pearl White
   Hex Code: 
                            
                            #F8F8FF
                        
   Description: This soft pearl white shade represents the purity and elegance associated with the underwater world, creating a clean and sophisticated look.

8. Color Name: Sand Beige
   Hex Code: 
                            
                            #F4A460
                        
   Description: This warm sand beige color represents the sandy ocean floor, evoking a sense of being close to nature and the beach.

9. Color Name: Turquoise
   Hex Code: 
                            
                            #40E0D0
                        
   Description: This vibrant turquoise shade represents the vibrant and lively underwater environment, adding a touch of energy and excitement.

10. Color Name: Deep Purple
    Hex Code: 
                            
                            #800080
                        
    Description: This deep purple color represents the mesmerizing beauty of twilight underwater, creating a sense of mystery and enchantment.