### Color Palette for OC Named "Fentanyl"

**Palette Name:** Ethereal Depths

**Description:** This palette embodies the duality of allure and danger, reflecting the complexity of its namesake. The colors evoke a sense of mystery and depth, fitting for a character that has both a captivating presence and an underlying edge.

1. **Neon Blue**  
   - **Hex Code:** 
                            
                            #00BFFF
                          
   - **Description:** A bright, vibrant blue that represents the intense allure and striking presence of the character. 

2. **Toxic Green**  
   - **Hex Code:** 
                            
                            #32CD32
                          
   - **Description:** This vivid green captures the essence of toxicity, hinting at the character's dangerous side while still being visually appealing.

3. **Midnight Black**  
   - **Hex Code:** 
                            
                            #000000
                          
   - **Description:** A deep black that symbolizes the dark undertones of the character's personality, providing a stark contrast to the brighter colors.

4. **Electric Purple**  
   - **Hex Code:** 
                            
                            #8A2BE2
                          
   - **Description:** A bold purple that embodies creativity and mystique, representing the character's unique charm and complexity.

5. **Crimson Red**  
   - **Hex Code:** 
                            
                            #DC143C
                          
   - **Description:** A striking red that signifies passion and danger, reflecting the intense emotions and potential risks associated with the character.

6. **Frosted Silver**  
   - **Hex Code:** 
                            
                            #C0C0C0
                          
   - **Description:** A soft silver that adds a touch of elegance and sophistication, balancing the more intense colors while providing a sense of calm.

### Overall Feel:
The Ethereal Depths palette combines vibrant hues with darker undertones, creating a visually compelling array of colors that symbolize the intricate nature of the character "Fentanyl."