diff --git a/colors/pencil.vim b/colors/pencil.vim
index 6b118a2..a2ffe60 100644
--- a/colors/pencil.vim
+++ b/colors/pencil.vim
@@ -238,10 +238,10 @@ call s:h("WarningMsg",    {"fg": s:red})
 call s:h("WildMenu",      {"fg": s:bg, "bg": s:norm})
 call s:h("Folded",        {"fg": s:medium_gray})
 call s:h("FoldColumn",    {"fg": s:bg_subtle})
-call s:h("DiffAdd",       {"fg": s:green})
-call s:h("DiffDelete",    {"fg": s:red})
-call s:h("DiffChange",    {"fg": s:dark_yellow})
-call s:h("DiffText",      {"fg": s:dark_blue})
+call s:h("DiffAdd",       {"bg": s:bg_subtle, "fg": s:green})
+call s:h("DiffDelete",    {"bg": s:bg_subtle, "fg": s:red})
+call s:h("DiffChange",    {"bg": s:bg_subtle, "fg": s:dark_yellow})
+call s:h("DiffText",      {"bg": s:bg_subtle, "fg": s:dark_blue})
 call s:h("SignColumn",    {"fg": s:light_green})
 
 if has("gui_running")