<Lighter Shades of Light Slate Blue> 
1. Light Slate Blue - 
                            
                            #6A7B8A
                         - A lighter, more airy version that feels fresh and inviting. 
2. Pale Blue - 
                            
                            #8BA3B2
                         - A soft, pastel blue that adds a gentle and soothing quality to the palette. 
3. Sky Blue - 
                            
                            #A0C4C8
                         - A bright, cheerful blue that evokes feelings of openness and tranquility. 
4. Powder Blue - 
                            
                            #B0D4D9
                         - A very light, airy blue with a hint of gray, creating a soft and dreamy atmosphere. 
5. Ice Blue - 
                            
                            #D0E7E9
                         - A near-white blue that brings a sense of purity and lightness, perfect for creating a serene environment. 

This color palette features progressively lighter shades of the original Light Slate Blue. It maintains a calm and inviting quality while introducing a brighter and more uplifting feel suitable for various design applications.

What type of project do you have in mind for these lighter shades? Are you looking for a specific mood or atmosphere to convey?