Based on the keywords "building trust in futuristic technologies," I recommend a color palette that evokes a sense of trust, reliability, and innovation. Here is a single color palette with 6 colors:

1. Color: Trust Blue
   Hex Code: 
                            
                            #2E86AB
                        
   Description: This deep blue color represents trust, stability, and professionalism, which are essential traits for building confidence in futuristic technologies.

2. Color: Innovation Green
   Hex Code: 
                            
                            #4CAF50
                        
   Description: This vibrant green hue symbolizes growth, innovation, and a forward-thinking mindset, reflecting the cutting-edge nature of futuristic technologies.

3. Color: Futuristic Silver
   Hex Code: 
                            
                            #B0BEC5
                        
   Description: This metallic silver shade embodies the futuristic aspect of technology and conveys a sense of sophistication and modernity.

4. Color: Reliability Gray
   Hex Code: 
                            
                            #616161
                        
   Description: This neutral gray color signifies reliability, resilience, and dependability, which are crucial for instilling confidence in advanced technologies.

5. Color: Transparency Teal
   Hex Code: 
                            
                            #26A69A
                        
   Description: This refreshing teal tone represents transparency, clarity, and openness, essential qualities for fostering trust in futuristic technologies.

6. Color: Confidence Gold
   Hex Code: 
                            
                            #FFD700
                        
   Description: This warm gold color exudes confidence, success, and optimism, reflecting the positive impact of embracing futuristic technologies.

This color palette combines a range of hues to convey trustworthiness, innovation, reliability, transparency, and confidence in futuristic technologies.