Here’s a playful 3-color palette suitable for a recruitment agency website, focusing on blue, yellow, and grey tones. This palette aims to convey a sense of professionalism while maintaining a friendly and approachable vibe.

### Playful Recruitment Agency Color Palette

1. **Sky Blue**
   - **Hex Code:** 
                            
                            #87CEEB
                        
   - **Description:** A bright and cheerful blue that evokes feelings of trust and reliability. This shade adds a sense of calm and professionalism, making it perfect for a recruitment agency.

2. **Sunny Yellow**
   - **Hex Code:** 
                            
                            #FFD700
                        
   - **Description:** A vibrant yellow that radiates positivity and energy. This color promotes a sense of optimism and enthusiasm, making it ideal for encouraging potential candidates.

3. **Cool Grey**
   - **Hex Code:** 
                            
                            #A9A9A9
                        
   - **Description:** A soft, neutral grey that adds balance and sophistication to the palette. It helps ground the brighter colors while maintaining a professional appearance.

### Additional Colors for Variety

4. **Turquoise Blue**
   - **Hex Code:** 
                            
                            #40E0D0
                        
   - **Description:** A lively turquoise that adds a refreshing touch to the palette, ideal for accents and highlights.

5. **Creamy Off-White**
   - **Hex Code:** 
                            
                            #FFFDD0
                        
   - **Description:** A warm off-white that provides a soft background, enhancing readability and allowing other colors to pop.

6. **Charcoal Grey**
   - **Hex Code:** 
                            
                            #333333
                        
   - **Description:** A deep, dark grey that can be used for text and important elements, ensuring clarity against lighter colors.

### Palette Overview
This playful color palette balances vibrancy and professionalism, making it suitable for a recruitment agency that wants to attract candidates while conveying a trustworthy and inviting atmosphere. The combination of blue, yellow, and grey creates a dynamic visual identity that stands out and engages users effectively.