Index: wp-content/themes/twentynineteen/style-editor.scss
===================================================================
--- wp-content/themes/twentynineteen/style-editor.scss	(revision 55900)
+++ wp-content/themes/twentynineteen/style-editor.scss	(working copy)
@@ -456,6 +456,10 @@
 	border-width: 2px;
 	color: #000;
 
+	p {
+		color: inherit;
+	}
+
 	blockquote {
 		margin-top: calc(3 * #{ $size__spacing-unit});
 		margin-bottom: calc(3.33 * #{ $size__spacing-unit});
@@ -463,10 +467,6 @@
 		word-break: break-word;
 	}
 
-	&:not(.is-style-solid-color) .wp-block-pullquote__citation {
-		color: $color__text-light;
-	}
-
 	&.is-style-solid-color {
 
 		blockquote {
