<Metallic & Earthy Elegance>
1. Gold - 
                            
                            #FFD700
                         - A luxurious and bright metallic yellow that symbolizes wealth and success.
2. Copper - 
                            
                            #B87333
                         - A warm, reddish-brown metallic hue that adds an industrial feel.
3. Rust - 
                            
                            #B7410E
                         - A deep, earthy orange-brown that evokes a sense of warmth and age.
4. Sapphire Blue - 
                            
                            #0F52BA
                         - A deep, rich blue that conveys a sense of calm and elegance.

This color palette merges metallic hues with earthy tones, creating a sophisticated yet warm combination. The gold and copper provide a touch of luxury, while rust adds warmth and character. Sapphire blue introduces a bold contrast, enhancing the overall elegance of the palette.

What kind of design or application do you envision for this color palette?