Color Palette: Pixelart Metal Slime

1. Color Name: Silver Steel
   Hex Code: 
                            
                            #C0C0C0
                        
   Palette Description: This color represents the metallic silver shade of a classic metal slime in pixelart. It portrays a shiny and reflective surface, giving the impression of a tough and resilient character.

2. Color Name: Electric Blue
   Hex Code: 
                            
                            #00FFFF
                        
   Palette Description: This vibrant electric blue shade adds a pop of color to the metal slime, creating a striking contrast. It represents the magical or energetic essence of the character, enhancing its visual appeal.

3. Color Name: Shadow Black
   Hex Code: 
                            
                            #000000
                        
   Palette Description: The shadow black color adds depth and definition to the metal slime's edges, creating a sense of volume and dimension. It accentuates the metallic nature of the character and adds a touch of mystery.

4. Color Name: Glowing Green
   Hex Code: 
                            
                            #00FF00
                        
   Palette Description: This glowing green shade represents the slime's mystical or otherworldly qualities. It can be used for highlights or accents, adding a vibrant and enchanting element to the character's design.

5. Color Name: Metallic Gold
   Hex Code: 
                            
                            #FFD700
                        
   Palette Description: The metallic gold color exudes a sense of prestige and rarity. It can be used sparingly as accents or details, giving the metal slime a touch of elegance and enhancing its overall visual appeal.

Note: This color palette is designed specifically for a pixelart representation of a metal slime character, using only 5 colors for simplicity and authenticity in the pixel art style.