Sure! Here’s a color palette based on your query, featuring the colors Sky Blue, Aqua, Slate Grey, Seafoam Green, and White Smoke:

### Color Palette: Coastal Serenity

1. **Sky Blue**
   - **Hex Code:** 
                            
                            #87CEEB
                        
   - **Description:** A soft, tranquil blue reminiscent of clear skies on a sunny day, evoking feelings of calmness and openness.

2. **Aqua**
   - **Hex Code:** 
                            
                            #00FFFF
                        
   - **Description:** A vibrant and refreshing hue that captures the essence of tropical waters, adding a lively touch to your palette.

3. **Slate Grey**
   - **Hex Code:** 
                            
                            #708090
                        
   - **Description:** A cool, muted grey with blue undertones, providing a balanced and grounding element that complements the brighter colors.

4. **Seafoam Green**
   - **Hex Code:** 
                            
                            #2E8B57
                        
   - **Description:** A soothing green with a hint of blue, reminiscent of ocean waves lapping against the shore, bringing a sense of tranquility.

5. **White Smoke**
   - **Hex Code:** 
                            
                            #F5F5F5
                        
   - **Description:** A soft, airy white that creates a sense of lightness and openness, serving as a perfect neutral backdrop for the bolder colors.

6. **Coral**
   - **Hex Code:** 
                            
                            #FF7F50
                        
   - **Description:** A warm, inviting shade that adds a pop of color, reminiscent of coral reefs, enhancing the coastal theme with a touch of vibrancy.

### Overall Description:
The "Coastal Serenity" palette captures the essence of a peaceful seaside experience. It harmonizes bright and calming colors that evoke feelings of tranquility and freshness, making it perfect for designs related to nature, wellness, or beach themes. This palette can be used effectively in branding, interior design, or any visual project aiming for a refreshing and serene aesthetic.