Color Palette for Garden Centre Website:

1. Fresh Grass Green:
   - Hex Code: 
                            
                            #62B957
                        
   - Palette Description: This vibrant green represents lush grass and the freshness of nature, reflecting the vibrant and lively atmosphere of a garden center.

2. Blooming Petal Pink:
   - Hex Code: 
                            
                            #FF9CB4
                        
   - Palette Description: This soft pink shade symbolizes blooming flowers, adding a touch of femininity and elegance to the garden center website.

3. Earthy Terracotta:
   - Hex Code: 
                            
                            #CA6F4B
                        
   - Palette Description: This warm and earthy terracotta color resembles the color of clay pots, representing the natural and organic elements found in a garden center.

4. Sunny Sunflower Yellow:
   - Hex Code: 
                            
                            #FFD700
                        
   - Palette Description: This bright yellow shade emulates the vibrant petals of sunflowers, bringing a sense of joy and positivity to the garden center website.

5. Tranquil Sky Blue:
   - Hex Code: 
                            
                            #7AC3EE
                        
   - Palette Description: This serene sky blue hue represents the clear blue sky and brings a sense of calmness and tranquility to the garden center's online presence.

6. Fresh Leaf Green:
   - Hex Code: 
                            
                            #8BB381
                        
   - Palette Description: This refreshing green shade resembles the color of fresh leaves, symbolizing growth, renewal, and the natural environment that a garden center nurtures.

Overall Palette Description: This color palette for a garden center website incorporates a range of natural and vibrant hues, reflecting the beauty and liveliness of nature. The combination of fresh grass green, blooming petal pink, earthy terracotta, sunny sunflower yellow, tranquil sky blue, and fresh leaf green creates a visually appealing and harmonious palette that will evoke a sense of excitement and serenity for visitors to the website.