1. Green - 
                            
                            #008000
                         - Represents nature and freshness
2. Blue - 
                            
                            #0000FF
                         - Symbolizes calmness and stability
3. Brown - 
                            
                            #964B00
                         - Evokes a sense of warmth and earthiness
4. Beige - 
                            
                            #F5F5DC
                         - Conveys neutrality and simplicity