diff -ruN latex2html-2017.2.orig/versions/html3_2.pl latex2html-2017.2/versions/html3_2.pl
--- latex2html-2017.2.orig/versions/html3_2.pl	2017-01-23 17:14:25.000000000 -0000
+++ latex2html-2017.2/versions/html3_2.pl	2017-08-04 09:38:17.219909442 -0000
@@ -607,7 +607,7 @@
 
     if ($color_env) {
 	local($color_test) = join(',',@$open_tags_R);
-	if ($color_test =~ /(color{[^}]*})/g ) {
+	if ($color_test =~ /(color\{[^}]*})/g ) {
 	    $color_env = $1;
 	}
     }
diff -ruN latex2html-2017.2.orig/versions/html4_01.pl latex2html-2017.2/versions/html4_01.pl
--- latex2html-2017.2.orig/versions/html4_01.pl	2017-01-23 17:14:25.000000000 -0000
+++ latex2html-2017.2/versions/html4_01.pl	2017-08-04 09:39:32.529023088 -0000
@@ -976,7 +976,7 @@
 
     if ($color_env) {
 	local($color_test) = join(',',@$open_tags_R);
-	if ($color_test =~ /(color{[^}]*})/g ) {
+	if ($color_test =~ /(color\{[^}]*})/g ) {
 	    $color_env = $1;
 	}
     }
diff -ruN latex2html-2017.2.orig/versions/html4_1.pl latex2html-2017.2/versions/html4_1.pl
--- latex2html-2017.2.orig/versions/html4_1.pl	2017-01-23 17:14:25.000000000 -0000
+++ latex2html-2017.2/versions/html4_1.pl	2017-08-04 09:37:48.507866114 -0000
@@ -976,7 +976,7 @@
 
     if ($color_env) {
 	local($color_test) = join(',',@$open_tags_R);
-	if ($color_test =~ /(color{[^}]*})/g ) {
+	if ($color_test =~ /(color\{[^}]*})/g ) {
 	    $color_env = $1;
 	}
     }