Here’s a vibrant color palette based on your query, featuring four colors that work harmoniously together:

### Color Palette: **Tropical Sunset**

1. **Coral**
   - **Hex Code:** 
                            
                            #FF6F61
                        
   - **Description:** A warm and inviting shade of orange-red, reminiscent of tropical flowers and vibrant sunsets. It adds a lively and energetic touch to the palette.

2. **Mustard Yellow**
   - **Hex Code:** 
                            
                            #FFD700
                        
   - **Description:** A rich and earthy yellow that brings brightness and warmth. This hue evokes feelings of sunshine and optimism, perfectly complementing the Coral.

3. **Navy Blue**
   - **Hex Code:** 
                            
                            #000080
                        
   - **Description:** A deep, classic blue that provides a strong foundation and balance to the palette. It adds depth and sophistication, making the brighter colors pop.

4. **Soft Mint**
   - **Hex Code:** 
                            
                            #98FF98
                        
   - **Description:** A gentle and refreshing shade of green that softens the vibrancy of the other colors. It adds a calming element to the palette, reminiscent of tropical foliage.

### Palette Overview:
**Tropical Sunset** combines the energetic warmth of Coral and Mustard Yellow with the grounding depth of Navy Blue and a refreshing touch of Soft Mint. This palette is perfect for designs that aim to evoke feelings of warmth, happiness, and a hint of adventure, ideal for summer-themed projects, beach resorts, or vibrant branding initiatives.