Here’s an updated color palette with alternative options that maintain a vibrant contrast while avoiding dark tones and ensuring adequate contrast with #ff6200 and #ffffff :

 <Enhanced Complementary Palette>
1. Teal Blue - 
                            
                            #009688
                         - A bright and refreshing teal that contrasts well with the vibrant orange while maintaining a lighter tone.
2. Peach - 
                            
                            #ffab91
                         - A warm peach that offers a softer contrast to the orange without being too muted.
3. Light Gray - 
                            
                            #f0f0f0
                         - A very light gray that maintains a clean and airy feel as a background.
4. Mustard Yellow - 
                            
                            #fbc02d
                         - A lively mustard yellow that pairs beautifully with the orange and adds an element of brightness.
5. Sky Blue - 
                            
                            #00bcd4
                         - A vibrant sky blue that adds a cool contrast to the warm tones of the palette.

This new palette maintains a vibrant and engaging aesthetic, with teal blue and sky blue providing a fresh contrast, while peach and mustard yellow complement the warmth of the orange.

Would you like to see variations or adjustments to any specific colors in this palette?