Here’s a vibrant, muted, and pastel color palette based on your request for blue and green natural tones:

 <Natural Blues and Greens>
1. Sky Blue - 
                            
                            #87CEEB
                         - A bright, vibrant blue reminiscent of a clear sky.
2. Seafoam Green - 
                            
                            #2E8B57
                         - A muted green that evokes the calming essence of ocean waves.
3. Teal - 
                            
                            #008080
                         - A deep, earthy blue-green that feels both natural and sophisticated.
4. Mint Green - 
                            
                            #98FF98
                         - A soft pastel green that brings freshness and lightness to the palette.
5. Denim Blue - 
                            
                            #3B5998
                         - A muted blue that provides a grounding contrast, reminiscent of natural denim.

This color palette combines vibrant and muted tones with soft pastels, creating a harmonious and refreshing natural feel. The chosen colors evoke a sense of tranquility and connection to nature, making them suitable for various design projects.

What specific design application do you have in mind for this color palette? Would you like any adjustments or additions to the palette?