Here is a single color palette for a pub, featuring 6 colors:

1. Color Name: "Deep Burgundy"
   Hex Code: 
                            
                            #550000
                        
   Palette Description: This rich, deep burgundy color exudes sophistication and warmth, making it an ideal choice for creating a cozy and inviting atmosphere in a pub.

2. Color Name: "Golden Oak"
   Hex Code: 
                            
                            #DAA520
                        
   Palette Description: This warm, golden oak color adds a touch of elegance and classic charm to the pub's interior. It pairs well with wooden furniture and creates a welcoming ambiance.

3. Color Name: "Minty Mojito"
   Hex Code: 
                            
                            #82CFAF
                        
   Palette Description: This refreshing mint green shade, reminiscent of a delicious mojito, brings a cool and relaxing vibe to the pub. It works perfectly in combination with other natural and earthy tones.

4. Color Name: "Copper Glow"
   Hex Code: 
                            
                            #B87333
                        
   Palette Description: This warm copper tone adds a touch of rustic charm and sophistication to the pub's decor. It complements wooden accents and creates a cozy and inviting atmosphere.

5. Color Name: "Rich Espresso"
   Hex Code: 
                            
                            #584536
                        
   Palette Description: This deep espresso brown color adds depth and richness to the pub's palette. It can be used as an accent color to create a sense of warmth and intimacy within the space.

6. Color Name: "Slate Gray"
   Hex Code: 
                            
                            #708090
                        
   Palette Description: This versatile and neutral slate gray color provides a modern and contemporary touch to the pub's design. It serves as an excellent backdrop for other colors and helps create a sophisticated and sleek environment.

Note: These colors are purely suggestive and can be adjusted according to your preference and the specific style of the pub.