I apologize for the oversight. Let’s adjust the color palette to incorporate a cooler grey scheme with your specified orange color.

 <Cool Dark Greys with Bright Orange Highlights>
1. Dark Slate - 
                            
                            #1C1F24
                         - A deep, cool slate grey that establishes a strong, modern base.
2. Cool Graphite - 
                            
                            #3A3D42
                         - A medium-dark grey with blue undertones, offering a stylish and sophisticated feel.
3. Steel Blue - 
                            
                            #4E545B
                         - A cooler grey with a hint of blue, providing a refreshing contrast without being too light.
4. Bright Orange - 
                            
                            #FF8214
                         - A vibrant orange that serves as a lively highlight against the cooler greys.
5. Pure White - 
                            
                            #FFFFFF
                         - A crisp white that adds brightness and clarity, enhancing overall visual appeal.

This updated palette features cooler greys paired with a bright orange, creating a contemporary and lively aesthetic. The greys maintain a modern look while the orange introduces a pop of energy.

Do you have any specific design contexts in mind for this palette, or any further adjustments you’d like to make?