### 90s Style Monster Party Color Palette

1. **Neon Green**
   - **Hex Code:** 
                            
                            #39FF14
                        
   - **Description:** A vibrant and eye-catching green reminiscent of fluorescent colors popular in 90s pop culture, perfect for giving a lively monster vibe.

2. **Electric Blue**
   - **Hex Code:** 
                            
                            #00BFFF
                        
   - **Description:** A bright and bold blue that captures the energetic spirit of the 90s, evoking feelings of excitement and fun, ideal for a party atmosphere.

3. **Hot Pink**
   - **Hex Code:** 
                            
                            #FF69B4
                        
   - **Description:** A playful and striking pink that reflects the bold fashion trends of the 90s, adding a sense of whimsy and flair to the palette.

4. **Vibrant Purple**
   - **Hex Code:** 
                            
                            #A020F0
                        
   - **Description:** A rich and lively purple that complements the other colors well, contributing to the fantastical, monster-themed vibe of the palette.

5. **Sunshine Yellow**
   - **Hex Code:** 
                            
                            #FFD700
                        
   - **Description:** A bright and cheerful yellow that brings warmth and energy, reminiscent of classic 90s cartoons and joyful celebrations.

6. **Monster Gray**
   - **Hex Code:** 
                            
                            #7D7D7D
                        
   - **Description:** A neutral gray that offers balance to the palette, providing a base that highlights the vibrant colors, while keeping the monster theme grounded.

### Palette Summary
This color palette captures the essence of a fun and energetic 90s style monster party with its bold, bright colors and playful combinations. Each color adds a unique touch, creating an inviting and lively atmosphere perfect for celebrating in a nostalgic monster-themed setting.