Short Answer 
To change the font color in Excel, first select the desired cells, then access the Font Color menu in the Home tab. Finally, choose the Blue-Gray, Text 2 color from the Theme Colors section to apply it to your selected cells.
Step 1: Select the Cells
Begin by highlighting the cells where you want to change the font color. You can do this by clicking and dragging your mouse over the desired cells in your Excel worksheet. Ensuring the correct cells are selected is crucial for the next steps to take effect.
Step 2: Access the Font Color Menu
Navigate to the ‘Home’ tab at the top of your Excel window. In the ‘Font’ group, locate and click on the ‘Font Color’ drop-down arrow. This will open a menu where you can choose different colors for your text.
Step 3: Choose Blue-Gray, Text 2 Color
Within the Font Color menu, scroll to find the Theme Colors section. Look for the fourth option in the first row, which represents the Blue-Gray, Text 2 color. Click on it to apply the new font color to your selected cells, ensuring that your text appears as desired.