Here is a single color palette with color names, hex codes, and a palette description based on the keywords "letter WE":

1. Color Name: Warm Coral
   Hex Code: 
                            
                            #FF6961
                        
   Description: This vibrant and energetic coral shade resembles the warmth and enthusiasm of a handwritten letter full of excitement and anticipation.

2. Color Name: Electric Blue
   Hex Code: 
                            
                            #00BFFF
                        
   Description: This intense and striking shade of blue captures the electrifying energy and boldness found in handwritten letters expressing wonder and excitement.

3. Color Name: Whispering Lilac
   Hex Code: 
                            
                            #D8BFD8
                        
   Description: This soft and delicate lilac hue evokes a sense of gentleness and tenderness, reminiscent of a heartfelt letter expressing emotions with a whisper-like subtlety.

4. Color Name: Enchanting Emerald
   Hex Code: 
                            
                            #50C878
                        
   Description: This captivating and lush emerald green shade represents the magical allure and enchantment found in handwritten letters that transport readers to distant lands and captivating tales.

5. Color Name: Wistful Elegance
   Hex Code: 
                            
                            #D2B48C
                        
   Description: This muted and sophisticated shade of beige embodies the nostalgic elegance and refined beauty often found in handwritten letters that evoke sentimental memories.

6. Color Name: Whimsical Ebony
   Hex Code: 
                            
                            #58427C
                        
   Description: This whimsical and mysterious shade of deep purple portrays the captivating charm and enigmatic nature of handwritten letters that weave imaginative stories and secrets.

Note: Please keep in mind that color perception can vary based on screen settings and lighting conditions. The provided hex codes should serve as a general reference.