<Modern Construction Cost Control>
 1. Steel Blue - 
                            
                            #4682B4
                         - A calming blue that evokes feelings of trust and reliability, perfect for financial applications.
 2. Slate Gray - 
                            
                            #708090
                         - A sophisticated gray that represents professionalism and stability, suitable for a construction context.
 3. Olive Green - 
                            
                            #808000
                         - A muted green that symbolizes growth and sustainability, aligning with modern construction themes.
 4. Light Slate Gray - 
                            
                            #778899
                         - A softer gray that complements the primary colors while maintaining a clean and modern look.
 5. Goldenrod - 
                            
                            #DAA520
                         - A warm accent color that adds a touch of optimism and is associated with value and wealth.

This color palette combines professionalism with a touch of warmth, ideal for a modern construction cost control Excel sheet. The use of blues and grays communicates reliability and stability, while the green signifies growth, and the goldenrod accent provides an inviting touch.

What specific features do you plan to include in your Excel sheet, and would you like any additional design elements or styles?