Color Palette:
1. Color Name: Lemon Yellow
   Hex Code: 
                            
                            #FAFAD2
                        
   Palette Description: A bright and vibrant yellow reminiscent of fresh lemon zest. This color brings a cheerful and energetic vibe to the bookmark manager, making it feel lively and fun.

2. Color Name: Goldenrod
   Hex Code: 
                            
                            #DAA520
                        
   Palette Description: A warm and rich yellow with hints of gold, resembling the color of sunflowers. This shade adds a touch of elegance and sophistication to the bookmark manager, creating a visually pleasing contrast.

3. Color Name: Mustard
   Hex Code: 
                            
                            #FFDB58
                        
   Palette Description: A deep and earthy yellow, resembling the color of mustard seeds. This shade adds depth and warmth to the bookmark manager, creating a cozy and inviting atmosphere.

4. Color Name: Buttercup
   Hex Code: 
                            
                            #F3E5AB
                        
   Palette Description: A soft and creamy yellow, reminiscent of the color of buttercups. This shade adds a gentle and calming touch to the bookmark manager, making it visually pleasing and soothing.

5. Color Name: Sunflower
   Hex Code: 
                            
                            #E3A857
                        
   Palette Description: A vibrant and radiant yellow, resembling the color of sunflowers in full bloom. This shade adds a burst of energy and positivity to the bookmark manager, creating a lively and cheerful ambiance.

6. Color Name: Corn Silk
   Hex Code: 
                            
                            #FFF8DC
                        
   Palette Description: A pale and delicate yellow, reminiscent of the color of corn silk. This shade adds a soft and subtle touch to the bookmark manager, creating a minimalistic and refined aesthetic.