fontColor and fontBackgroundColor to hex, to be able to utilized with html-to-docx correctly

sample/ckeditor.ts

@@ -134,8 +134,8 @@ ClassicEditor
 				generatePtSetting( 14 ),
 				generatePtSetting( 16 ),
 				generatePtSetting( 18 ),
-				generatePtSetting( 20 )
+				generatePtSetting( 20 ),
-			]
+			],
 		},
 		fontFamily: {
 			options: [
@@ -170,6 +170,16 @@ ClassicEditor
 			mathPanelDestroyOnClose: true,
 			openPanelWhenEquationSelected: false,
 		},
+		fontColor: {
+			colorPicker: {
+				format: 'hex',
+			}
+		},
+		fontBackgroundColor: {
+			colorPicker: {
+				format: 'hex',
+			}
+		},
 	} )
 	.then( editor => {
 		window.editor = editor;