Color Palette for a Merchandise Brand Targeting People Recovering from Drugs and Alcohol:

1. Serenity Blue
   - Hex Code: 
                            
                            #5DADE2
                        
   - Palette Description: This calming and soothing shade of blue represents serenity, stability, and tranquility, reflecting the inner peace and strength that individuals in recovery strive for.

2. Hopeful Green
   - Hex Code: 
                            
                            #82E0AA
                        
   - Palette Description: Symbolizing growth, renewal, and harmony, this refreshing shade of green represents hope, optimism, and the possibility of a brighter future in the journey of recovery.

3. Resilient Purple
   - Hex Code: 
                            
                            #A569BD
                        
   - Palette Description: This empowering and regal shade of purple signifies resilience, strength, and determination, reflecting the ability of individuals to overcome challenges and embrace a sober lifestyle.

4. Empathetic Gray
   - Hex Code: 
                            
                            #BDC3C7
                        
   - Palette Description: This compassionate and understanding shade of gray represents empathy, support, and solidarity, reminding individuals in recovery that they are not alone and that there is a compassionate community ready to assist them.

5. Renewal Orange
   - Hex Code: 
                            
                            #F39C12
                        
   - Palette Description: Symbolizing energy, enthusiasm, and a fresh start, this vibrant shade of orange represents the renewal and transformation that can be achieved through recovery, inspiring individuals to embrace a new chapter in their lives.

6. Tranquil Teal
   - Hex Code: 
                            
                            #1ABC9C
                        
   - Palette Description: This soothing and peaceful shade of teal signifies tranquility, balance, and emotional healing, reminding individuals in recovery to find inner peace and stability as they embark on their journey towards sobriety.

Note: The chosen colors are based on their psychological associations and their potential to convey the desired emotions and messages to the target audience.