Please follow the steps below to filter a data range based on font color:
Step 1: Select the row you want to filter on, normally the top header row;
Step 2: Click the "Home" tab from the ribbon;
Step 3: Click "Sort & Filter" and select "Filter" from the drop-down list;
Step 4: You will find the small triangles in the selected row;
Step 5: Click the small triangle in a column and click "Filter by Color", then select a font color to filter;
Step 6: The rows with the color will stay.