Index: wp-content/themes/twentytwentyone/assets/sass/05-blocks/table/_editor.scss
===================================================================
--- wp-content/themes/twentytwentyone/assets/sass/05-blocks/table/_editor.scss	(revision 49849)
+++ wp-content/themes/twentytwentyone/assets/sass/05-blocks/table/_editor.scss	(working copy)
@@ -27,6 +27,7 @@
 
 		tbody tr:nth-child(odd) {
 			background-color: var(--table--stripes-background-color);
+			color: var(--table--has-background-text-color);
 		}
 	}
 }
Index: wp-content/themes/twentytwentyone/assets/sass/05-blocks/table/_style.scss
===================================================================
--- wp-content/themes/twentytwentyone/assets/sass/05-blocks/table/_style.scss	(revision 49849)
+++ wp-content/themes/twentytwentyone/assets/sass/05-blocks/table/_style.scss	(working copy)
@@ -31,6 +31,7 @@
 
 		tbody tr:nth-child(odd) {
 			background-color: var(--table--stripes-background-color);
+			color: var(--table--has-background-text-color);
 		}
 	}
 }