Here’s a color palette based on your query, featuring the specified colors along with additional harmonious shades to complete the six-color request:

### Color Palette: Coastal Harmony

1. **Navy Blue**
   - **Hex Code:** 
                            
                            #032B44
                        
   - **Description:** A deep, rich blue reminiscent of the ocean depths, exuding strength and stability.

2. **Lime Green**
   - **Hex Code:** 
                            
                            #32CD32
                        
   - **Description:** A vibrant and fresh green that brings a burst of energy and vitality, evoking the essence of nature.

3. **Coral**
   - **Hex Code:** 
                            
                            #FFC67D
                        
   - **Description:** A warm and inviting coral hue that adds a touch of softness and warmth, reminiscent of sunset beaches.

4. **White**
   - **Hex Code:** 
                            
                            #FFFFFF
                        
   - **Description:** The purest white, symbolizing cleanliness and simplicity, providing a perfect contrast to the more vivid colors.

5. **Dark Grey**
   - **Hex Code:** 
                            
                            #333333
                        
   - **Description:** A deep, muted grey that grounds the palette, offering sophistication and balance without overpowering the other hues.

6. **Sky Blue**
   - **Hex Code:** 
                            
                            #87CEEB
                        
   - **Description:** A light, airy blue that complements the navy and adds a sense of openness and tranquility to the palette.

### Palette Summary
This color palette, "Coastal Harmony," combines the strength of Navy Blue and the energy of Lime Green, with the warmth of Coral and the cleanliness of White. The Dark Grey adds depth, while Sky Blue brings a refreshing touch, making it ideal for designs that aim for a balance of boldness and serenity.