### Color Palette: Surly Innocence

1. **Deep Plum**
   - **Hex Code:** 
                            
                            #5B2E91
                        
   - **Description:** A rich, dark purple that evokes a sense of mystery and depth, reflecting the vampire's dark nature while maintaining an air of elegance.

2. **Crimson Red**
   - **Hex Code:** 
                            
                            #A50000
                        
   - **Description:** A bold, deep red that symbolizes the vampire's thirst for blood, yet its vibrant hue hints at underlying passion and innocence.

3. **Pale Moonlight**
   - **Hex Code:** 
                            
                            #D9D9D9
                        
   - **Description:** A soft, muted gray that represents the ethereal qualities of the moon. It adds a touch of innocence and lightness to the palette, contrasting with the darker shades.

4. **Dusty Rose**
   - **Hex Code:** 
                            
                            #C48C99
                        
   - **Description:** This muted pink brings a sense of warmth and sweetness, suggesting the vampire's innocent side amidst their surly demeanor.

5. **Midnight Black**
   - **Hex Code:** 
                            
                            #1C1C1C
                        
   - **Description:** A classic black that grounds the palette, symbolizing the vampire's dark past and adding a dramatic flair to their character design.

6. **Emerald Green**
   - **Hex Code:** 
                            
                            #3CBA6A
                        
   - **Description:** A rich green that signifies life and vitality, representing the vampire's longing for a normal existence and connection to the world around them.

### Palette Summary:
This color palette captures the duality of a surly but innocent vampire through a combination of rich, dark colors and softer, lighter hues. The deep plum and crimson red convey darkness and passion, while the pale moonlight and dusty rose introduce elements of innocence and warmth. The midnight black serves as the foundation, and the emerald green offers a refreshing touch that hints at life and hope. Together, these colors create a visually compelling character design that reflects both complexity and depth.