Sure! Here’s the updated color palette with Dove Wing added between Snow White and Silver Mist:

 <Holiday White Christmas Dress Code> 
1. Snow White - 
                            
                            #FFFFFF
                         - A pure and clean white that serves as the base color for elegant dresses or suits.
2. Dove Wing - 
                            
                            #D7D9D7
                         - A soft, warm gray that provides a subtle transition between white and silver, perfect for layering.
3. Silver Mist - 
                            
                            #C0C0C0
                         - A soft silver for accessories like jewelry or footwear to add a touch of shimmer.
4. Ice Blue - 
                            
                            #A4D7E1
                         - A light blue perfect for shirts, dresses, or scarves that evoke a sense of calm.
5. Frosty Blue - 
                            
                            #8CCBDA
                         - A medium blue that can be used for blouses or ties, reflecting icy winter skies.
6. Deep Sea Blue - 
                            
                            #003D5B
                         - A dark blue that adds sophistication, ideal for suits or evening wear.
7. Burgundy Wine - 
                            
                            #800000
                         - A deep burgundy that adds warmth; great for accent pieces like shawls or belts.

This revised palette maintains a harmonious flow while introducing a soft, neutral tone in Dove Wing, which can help balance the brighter colors.

Would you like more assistance with styling tips for outfits in these colors or any other aspect of your party planning?