Based on the context of a habit tracking spreadsheet, here’s a color palette that reflects a calm and organized theme, promoting productivity and clarity:

 <Calm & Organized> 
1. Sky Blue - 
                            
                            #87CEEB
                         - A soothing blue that evokes a sense of calm and focus, ideal for tracking progress.
2. Soft Green - 
                            
                            #98FB98
                         - A refreshing green that symbolizes growth and positivity, encouraging habit formation.
3. Light Gray - 
                            
                            #D3D3D3
                         - A neutral shade that adds structure and clarity without overwhelming the senses.
4. Warm Yellow - 
                            
                            #FFFACD
                         - A gentle yellow that brings warmth and optimism, motivating you to achieve your goals.
5. Coral Pink - 
                            
                            #FF7F50
                         - A soft pink that adds a touch of warmth and friendliness, making the tracking experience enjoyable.

This color palette combines calming and motivating colors that can enhance your experience while using the habit tracking spreadsheet. Would you like to explore specific colors for different sections (like goals, progress, and notes), or do you have any additional preferences?