Here’s a unique yet cohesive dark mode spreadsheet color palette designed to enhance readability and aesthetics in low-light conditions:

### Dark Mode Spreadsheet Color Palette

1. **Midnight Blue**
   - **Hex Code:** 
                            
                            #1A1F3A
                        
   - **Description:** A deep, dark blue that serves as a solid foundation for the palette, providing a calming backdrop that reduces strain on the eyes.

2. **Electric Teal**
   - **Hex Code:** 
                            
                            #00B2A9
                        
   - **Description:** A vibrant teal that brings a pop of color, perfect for highlighting key data points or headings without overwhelming the senses.

3. **Vibrant Coral**
   - **Hex Code:** 
                            
                            #FF6F61
                        
   - **Description:** A striking coral that adds warmth to the palette, making it ideal for alerts or important notes, ensuring they stand out against darker backgrounds.

4. **Slate Gray**
   - **Hex Code:** 
                            
                            #4B5563
                        
   - **Description:** A medium gray that provides a neutral tone for secondary information, ensuring a clean and organized look while maintaining readability.

5. **Soft Lavender**
   - **Hex Code:** 
                            
                            #A77BCA
                        
   - **Description:** A gentle lavender that adds a soft, calming effect to the palette, suitable for less critical information or background shading.

6. **Lime Green**
   - **Hex Code:** 
                            
                            #A8D600
                        
   - **Description:** A bright lime green that energizes the palette, perfect for indicators or positive feedback, creating a sense of positivity and growth.

### Palette Overview
This palette combines deep, calming tones with vibrant highlights, creating a balance that is both engaging and easy to read in dark mode. The colors work together to ensure that critical information stands out while maintaining an overall cohesive look, making it ideal for spreadsheets used in low-light environments.