### Color Palette: "Vibrant Harmony"

1. **Sky Blue**
   - **Hex Code:** 
                            
                            #00A9E0
                        
   - **Description:** A bright, refreshing blue that evokes feelings of clarity and tranquility, perfect for a cool tone that contrasts with vibrant backgrounds.

2. **Deep Purple**
   - **Hex Code:** 
                            
                            #5E4B8A
                        
   - **Description:** A rich, dark purple that adds depth and sophistication, balancing the brightness of the other colors while maintaining a cool aesthetic.

3. **Mint Green**
   - **Hex Code:** 
                            
                            #A8E6CE
                        
   - **Description:** A soft, pastel green that provides a soothing effect, complementing the vibrant background without overpowering it.

4. **Cool Grey**
   - **Hex Code:** 
                            
                            #B0BEC5
                        
   - **Description:** A subtle, neutral grey that grounds the palette, allowing the brighter colors to pop while maintaining an overall cool tone.

5. **Coral Pink**
   - **Hex Code:** 
                            
                            #FF6F61
                        
   - **Description:** A warm coral that adds a touch of energy and warmth, creating a harmonious contrast with the cooler colors while still fitting within the vibrant theme.

6. **Aquamarine**
   - **Hex Code:** 
                            
                            #7FFFD4
                        
   - **Description:** A bright, cheerful shade of turquoise that enhances the palette's vibrancy, offering a lively accent that ties together the cooler tones.

### Palette Overview:
This palette, "Vibrant Harmony," is designed to harmonize with a brightly colored background while incorporating cool tones that maintain balance. The combination of bright and muted colors ensures that the overall composition remains lively yet cohesive, perfect for a workspace filled with colorful pens and a lively atmosphere.