diff --git a/src/testdir/dumps/Test_popupwin_previewpopup_2.dump b/src/testdir/dumps/Test_popupwin_previewpopup_2.dump
index 61de68a..0f8be32 100644
--- a/src/testdir/dumps/Test_popupwin_previewpopup_2.dump
+++ b/src/testdir/dumps/Test_popupwin_previewpopup_2.dump
@@ -1,12 +1,12 @@
 |o+0&#ffffff0|n|e| @71
 |#|i|n|c|l|u|d|e| |"|X|h|e|a|d|e|r|.|h|"| @54
 |t|h|r|e@1| @69
-|f|o|u|r| @3|╔+0#0000001#ffd7ff255| |X|t|a|g|f|i|l|e| |═@30|X| +0#0000000#ffffff0@23
-|f|i|v|e| @3|║+0#0000001#ffd7ff255|2|7| @37| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@23
-|s|i|x| @4|║+0#0000001#ffd7ff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @18| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@23
-|s|e|v|e|n| @2|║+0#0000001#ffd7ff255|2|9| @37| +0#0000000#0000001|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@23
-|f|i|n|d| |t|h|e|║+0#0000001#ffd7ff255|3|0| @37| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@23
-|n|i|n|e| @3|╚+0#0000001#ffd7ff255|═@40|⇲| +0#0000000#ffffff0@23
+|f|o|u|r| @3|╔+0&#afffff255| |X|t|a|g|f|i|l|e| |═@30|X| +0&#ffffff0@23
+|f|i|v|e| @3|║+0&#afffff255|2|7| @37| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@23
+|s|i|x| @4|║+0&#afffff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @18| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@23
+|s|e|v|e|n| @2|║+0&#afffff255|2|9| @37| +0&#0000001|║+0&#afffff255| +0&#ffffff0@23
+|f|i|n|d| |t|h|e|║+0&#afffff255|3|0| @37| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@23
+|n|i|n|e| @3|╚+0&#afffff255|═@40|⇲| +0&#ffffff0@23
 |t|h|i|s| |i|s| >a|n|o|t|h|e|r| |w|o|r|d| @54
 |v|e|r|y| |l|o|n|g| |l|i|n|e| |w|h|e|r|e| |t|h|e| |w|o|r|d| |i|s| |a|l|s|o| |a|n|o|t|h|e|r| @29
 |~+0#4040ff13&| @73
diff --git a/src/testdir/dumps/Test_popupwin_previewpopup_3.dump b/src/testdir/dumps/Test_popupwin_previewpopup_3.dump
index f52a4bb..03457b3 100644
--- a/src/testdir/dumps/Test_popupwin_previewpopup_3.dump
+++ b/src/testdir/dumps/Test_popupwin_previewpopup_3.dump
@@ -1,12 +1,12 @@
 |o+0&#ffffff0|n|e| @71
 |#|i|n|c|l|u|d|e| |"|X|h|e|a|d|e|r|.|h|"| @54
 |t|h|r|e@1| @69
-|f|o|u|r| @9|╔+0#0000001#ffd7ff255| |X|t|a|g|f|i|l|e| |═@30|X| +0#0000000#ffffff0@17
-|f|i|v|e| @9|║+0#0000001#ffd7ff255|2|7| @37| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@17
-|s|i|x| @10|║+0#0000001#ffd7ff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @18| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@17
-|s|e|v|e|n| @8|║+0#0000001#ffd7ff255|2|9| @37| +0#0000000#0000001|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@17
-|f|i|n|d| |t|h|e|w|o|r|d| |s|║+0#0000001#ffd7ff255|3|0| @37| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@17
-|n|i|n|e| @9|╚+0#0000001#ffd7ff255|═@40|⇲| +0#0000000#ffffff0@17
+|f|o|u|r| @9|╔+0&#afffff255| |X|t|a|g|f|i|l|e| |═@30|X| +0&#ffffff0@17
+|f|i|v|e| @9|║+0&#afffff255|2|7| @37| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@17
+|s|i|x| @10|║+0&#afffff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @18| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@17
+|s|e|v|e|n| @8|║+0&#afffff255|2|9| @37| +0&#0000001|║+0&#afffff255| +0&#ffffff0@17
+|f|i|n|d| |t|h|e|w|o|r|d| |s|║+0&#afffff255|3|0| @37| +0&#a8a8a8255|║+0&#afffff255| +0&#ffffff0@17
+|n|i|n|e| @9|╚+0&#afffff255|═@40|⇲| +0&#ffffff0@17
 |t|h|i|s| |i|s| >a|n|o|t|h|e|r| |w|o|r|d| @54
 |v|e|r|y| |l|o|n|g| |l|i|n|e| |w|h|e|r|e| |t|h|e| |w|o|r|d| |i|s| |a|l|s|o| |a|n|o|t|h|e|r| @29
 |~+0#4040ff13&| @73
diff --git a/src/testdir/dumps/Test_popupwin_previewpopup_4.dump b/src/testdir/dumps/Test_popupwin_previewpopup_4.dump
index b453c17..39ac485 100644
--- a/src/testdir/dumps/Test_popupwin_previewpopup_4.dump
+++ b/src/testdir/dumps/Test_popupwin_previewpopup_4.dump
@@ -2,13 +2,13 @@
 |#|i|n|c|l|u|d|e| |"|X|h|e|a|d|e|r|.|h|"| @54
 |t|h|r|e@1| @69
 |f|o|u|r| @70
-|f|i|v|e| @28|╔+0#0000001#ffd7ff255| |X|t|a|g|f|i|l|e| |═@29|X
-|s+0#0000000#ffffff0|i|x| @29|║+0#0000001#ffd7ff255|2|7| @36| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255
-|s+0#0000000#ffffff0|e|v|e|n| @27|║+0#0000001#ffd7ff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @17| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255
-|f+0#0000000#ffffff0|i|n|d| |t|h|e|w|o|r|d| |s|o|m|e|w|h|e|r|e| @10|║+0#0000001#ffd7ff255|2|9| @36| +0#0000000#0000001|║+0#0000001#ffd7ff255
-|n+0#0000000#ffffff0|i|n|e| @28|║+0#0000001#ffd7ff255|3|0| @36| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255
-|t+0#0000000#ffffff0|h|i|s| |i|s| |a|n|o|t|h|e|r| |w|o|r|d| @12|╚+0#0000001#ffd7ff255|═@39|⇲
-|v+0#0000000#ffffff0|e|r|y| |l|o|n|g| |l|i|n|e| |w|h|e|r|e| |t|h|e| |w|o|r|d| |i|s| |a|l|s|o| >a|n|o|t|h|e|r| @29
+|f|i|v|e| @28|╔+0&#afffff255| |X|t|a|g|f|i|l|e| |═@29|X
+|s+0&#ffffff0|i|x| @29|║+0&#afffff255|2|7| @36| +0&#a8a8a8255|║+0&#afffff255
+|s+0&#ffffff0|e|v|e|n| @27|║+0&#afffff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @17| +0&#a8a8a8255|║+0&#afffff255
+|f+0&#ffffff0|i|n|d| |t|h|e|w|o|r|d| |s|o|m|e|w|h|e|r|e| @10|║+0&#afffff255|2|9| @36| +0&#0000001|║+0&#afffff255
+|n+0&#ffffff0|i|n|e| @28|║+0&#afffff255|3|0| @36| +0&#a8a8a8255|║+0&#afffff255
+|t+0&#ffffff0|h|i|s| |i|s| |a|n|o|t|h|e|r| |w|o|r|d| @12|╚+0&#afffff255|═@39|⇲
+|v+0&#ffffff0|e|r|y| |l|o|n|g| |l|i|n|e| |w|h|e|r|e| |t|h|e| |w|o|r|d| |i|s| |a|l|s|o| >a|n|o|t|h|e|r| @29
 |~+0#4040ff13&| @73
 |~| @73
 |/+0#0000000&|a|n|o|t|h|e|r| @48|1@1|,|3|9| @8|A|l@1| 
diff --git a/src/testdir/dumps/Test_popupwin_previewpopup_5.dump b/src/testdir/dumps/Test_popupwin_previewpopup_5.dump
index 2a3b972..99c12c9 100644
--- a/src/testdir/dumps/Test_popupwin_previewpopup_5.dump
+++ b/src/testdir/dumps/Test_popupwin_previewpopup_5.dump
@@ -2,13 +2,13 @@
 |#|i|n|c|l|u|d|e| |"|X|h|e|a|d|e|r|.|h|"| @54
 |t|h|r|e@1| @69
 |f|o|u|r| @70
-|f|i|v|e| @28|╔+0#0000001#ffd7ff255| |t|e|s|t|d|i|r|/|X|t|a|g|f|i|l|e| |═@21|X
-|s+0#0000000#ffffff0|i|x| @29|║+0#0000001#ffd7ff255|2|7| @36| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255
-|s+0#0000000#ffffff0|e|v|e|n| @27|║+0#0000001#ffd7ff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @17| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255
-|f+0#0000000#ffffff0|i|n|d| |t|h|e|w|o|r|d| |s|o|m|e|w|h|e|r|e| @10|║+0#0000001#ffd7ff255|2|9| @36| +0#0000000#0000001|║+0#0000001#ffd7ff255
-|n+0#0000000#ffffff0|i|n|e| @28|║+0#0000001#ffd7ff255|3|0| @36| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255
-|t+0#0000000#ffffff0|h|i|s| |i|s| |a|n|o|t|h|e|r| |w|o|r|d| @12|╚+0#0000001#ffd7ff255|═@39|⇲
-|v+0#0000000#ffffff0|e|r|y| |l|o|n|g| |l|i|n|e| |w|h|e|r|e| |t|h|e| |w|o|r|d| |i|s| |a|l|s|o| >a|n|o|t|h|e|r| @29
+|f|i|v|e| @28|╔+0&#afffff255| |t|e|s|t|d|i|r|/|X|t|a|g|f|i|l|e| |═@21|X
+|s+0&#ffffff0|i|x| @29|║+0&#afffff255|2|7| @36| +0&#a8a8a8255|║+0&#afffff255
+|s+0&#ffffff0|e|v|e|n| @27|║+0&#afffff255|t|h|i|s| |i|s| |a|n|o|t|h|e|r| |p|l|a|c|e| @17| +0&#a8a8a8255|║+0&#afffff255
+|f+0&#ffffff0|i|n|d| |t|h|e|w|o|r|d| |s|o|m|e|w|h|e|r|e| @10|║+0&#afffff255|2|9| @36| +0&#0000001|║+0&#afffff255
+|n+0&#ffffff0|i|n|e| @28|║+0&#afffff255|3|0| @36| +0&#a8a8a8255|║+0&#afffff255
+|t+0&#ffffff0|h|i|s| |i|s| |a|n|o|t|h|e|r| |w|o|r|d| @12|╚+0&#afffff255|═@39|⇲
+|v+0&#ffffff0|e|r|y| |l|o|n|g| |l|i|n|e| |w|h|e|r|e| |t|h|e| |w|o|r|d| |i|s| |a|l|s|o| >a|n|o|t|h|e|r| @29
 |~+0#4040ff13&| @73
 |~| @73
 |:+0#0000000&| @55|1@1|,|3|9| @8|A|l@1| 
diff --git a/src/testdir/test_popupwin.vim b/src/testdir/test_popupwin.vim
index f1a4b52..f13252b 100644
--- a/src/testdir/test_popupwin.vim
+++ b/src/testdir/test_popupwin.vim
@@ -3159,6 +3159,7 @@
 	      \ 'this is another word',
 	      \ 'very long line where the word is also another'])
         set previewpopup=height:4,width:40
+	hi OtherColor ctermbg=lightcyan guibg=lightcyan
 	set path=.
   END
   call writefile(lines, 'XtestPreviewPopup')
@@ -3168,6 +3169,7 @@
   call term_sendkeys(buf, ":\<CR>")
   call VerifyScreenDump(buf, 'Test_popupwin_previewpopup_1', {})
 
+  call term_sendkeys(buf, ":set previewpopup+=highlight:OtherColor\<CR>")
   call term_sendkeys(buf, "/another\<CR>\<C-W>}")
   call VerifyScreenDump(buf, 'Test_popupwin_previewpopup_2', {})
 
@@ -3182,6 +3184,7 @@
   call VerifyScreenDump(buf, 'Test_popupwin_previewpopup_5', {})
   call term_sendkeys(buf, ":silent cd testdir\<CR>")
 
+  call term_sendkeys(buf, ":set previewpopup-=highlight:OtherColor\<CR>")
   call term_sendkeys(buf, ":pclose\<CR>")
   call term_sendkeys(buf, ":\<BS>")
   call VerifyScreenDump(buf, 'Test_popupwin_previewpopup_6', {})