Color Palette:

1. Color Name: Sunflower Yellow
   Hex Code: 
                            
                            #FDB827
                        
   Palette Description: This bright and vibrant yellow color represents the sunflowers in the field, adding a cheerful and energetic touch to the overall palette.

2. Color Name: Sky Blue
   Hex Code: 
                            
                            #87CEEB
                        
   Palette Description: This light and calming blue color represents the afternoon sky, creating a serene and peaceful atmosphere in the palette.

3. Color Name: Green Grass
   Hex Code: 
                            
                            #8BC34A
                        
   Palette Description: This fresh and natural green color represents the grass in the sunflower field, adding a touch of nature and vitality to the palette.

4. Color Name: Rustic Brown
   Hex Code: 
                            
                            #8D6E63
                        
   Palette Description: This warm and earthy brown color represents the soil or dirt in the sunflower field, creating a rustic and grounded element in the palette.

5. Color Name: Sunflower Petal
   Hex Code: 
                            
                            #FFC107
                        
   Palette Description: This vibrant and rich orange color represents the petals of the sunflowers, adding a bold and eye-catching element to the palette.

6. Color Name: Evening Shadow
   Hex Code: 
                            
                            #3E2723
                        
   Palette Description: This deep and dark brown color represents the shadows cast during the afternoon, creating depth and contrast in the palette.

This color palette captures the essence of a boy surrounded by sunflowers in a sunflower field, with the warm yellow tones of the sunflowers, the serene blue of the afternoon sky, the fresh green of the grass, the rustic brown of the soil, the vibrant orange of the sunflower petals, and the deep brown of the evening shadows.