Here’s a harmonious color palette inspired by your query, featuring six colors that complement Mint Green, Soft Coral, and Off-White:

### Color Palette: **Fresh Serenity**

1. **Mint Green**  
   - **Hex Code:** 
                            
                            #98FF98
                          
   - **Description:** A refreshing and lively shade that evokes feelings of tranquility and nature, perfect for a calming atmosphere.

2. **Soft Coral**  
   - **Hex Code:** 
                            
                            #FF6F61
                          
   - **Description:** A warm and inviting hue that adds a touch of vibrance and energy, reminiscent of summer sunsets.

3. **Off-White**  
   - **Hex Code:** 
                            
                            #F8F8FF
                          
   - **Description:** A gentle and subtle white with a hint of coolness, providing a soft backdrop that enhances other colors.

4. **Pale Peach**  
   - **Hex Code:** 
                            
                            #FFDAB9
                          
   - **Description:** A delicate peach that brings warmth and softness, ideal for creating a cozy and inviting space.

5. **Seafoam Green**  
   - **Hex Code:** 
                            
                            #2E8B57
                          
   - **Description:** A deeper green with a touch of blue, reminiscent of ocean waves, adding depth and balance to the palette.

6. **Dusty Rose**  
   - **Hex Code:** 
                            
                            #D19AAB
                          
   - **Description:** A muted pink with a vintage feel, providing a gentle contrast to both the mint and coral while maintaining a romantic vibe.

### Overall Palette Description:
The **Fresh Serenity** color palette combines the refreshing coolness of mint green and the warmth of soft coral with subtle neutrals and gentle hues. This palette is perfect for creating a relaxed yet vibrant space, suitable for both home decor and graphic design projects. The blend of colors fosters a sense of harmony and warmth, making it ideal for spring-themed designs or cozy interiors.