diff --git a/diff.c b/diff.c
index 9c4bd9fa11d6589843c23cfb116f434c57672fa0..e6c857abf4e12eb5d05f537dc8f4fb2675a82d59 100644
--- a/diff.c
+++ b/diff.c
@@ -609,14 +609,18 @@ static void check_blank_at_eof(mmfile_t *mf1, mmfile_t *mf2,
 	ecbdata->blank_at_eof_in_postimage = (at - l2) + 1;
 }
 
-static void emit_line_0(struct diff_options *o, const char *set, const char *reset,
+static void emit_line_0(struct diff_options *o,
+			const char *set, unsigned reverse, const char *reset,
 			int first, const char *line, int len)
 {
 	int has_trailing_newline, has_trailing_carriage_return;
 	int nofirst;
 	FILE *file = o->file;
 
-	fputs(diff_line_prefix(o), file);
+	if (first)
+		fputs(diff_line_prefix(o), file);
+	else if (!len)
+		return;
 
 	if (len == 0) {
 		has_trailing_newline = (first == '\n');
@@ -634,8 +638,10 @@ static void emit_line_0(struct diff_options *o, const char *set, const char *res
 	}
 
 	if (len || !nofirst) {
+		if (reverse && want_color(o->use_color))
+			fputs(GIT_COLOR_REVERSE, file);
 		fputs(set, file);
-		if (!nofirst)
+		if (first && !nofirst)
 			fputc(first, file);
 		fwrite(line, len, 1, file);
 		fputs(reset, file);
@@ -649,7 +655,7 @@ static void emit_line_0(struct diff_options *o, const char *set, const char *res
 static void emit_line(struct diff_options *o, const char *set, const char *reset,
 		      const char *line, int len)
 {
-	emit_line_0(o, set, reset, line[0], line+1, len-1);
+	emit_line_0(o, set, 0, reset, line[0], line+1, len-1);
 }
 
 enum diff_symbol {
@@ -1168,7 +1174,8 @@ static void dim_moved_lines(struct diff_options *o)
 
 static void emit_line_ws_markup(struct diff_options *o,
 				const char *set, const char *reset,
-				const char *line, int len, char sign,
+				const char *line, int len,
+				const char *set_sign, char sign,
 				unsigned ws_rule, int blank_at_eof)
 {
 	const char *ws = NULL;
@@ -1179,14 +1186,20 @@ static void emit_line_ws_markup(struct diff_options *o,
 			ws = NULL;
 	}
 
-	if (!ws)
-		emit_line_0(o, set, reset, sign, line, len);
-	else if (blank_at_eof)
+	if (!ws && !set_sign)
+		emit_line_0(o, set, 0, reset, sign, line, len);
+	else if (!ws) {
+		/* Emit just the prefix, then the rest. */
+		emit_line_0(o, set_sign ? set_sign : set, !!set_sign, reset,
+			    sign, "", 0);
+		emit_line_0(o, set, 0, reset, 0, line, len);
+	} else if (blank_at_eof)
 		/* Blank line at EOF - paint '+' as well */
-		emit_line_0(o, ws, reset, sign, line, len);
+		emit_line_0(o, ws, 0, reset, sign, line, len);
 	else {
 		/* Emit just the prefix, then the rest. */
-		emit_line_0(o, set, reset, sign, "", 0);
+		emit_line_0(o, set_sign ? set_sign : set, !!set_sign, reset,
+			    sign, "", 0);
 		ws_check_emit(line, len, ws_rule,
 			      o->file, set, reset, ws);
 	}
@@ -1196,7 +1209,7 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
 					 struct emitted_diff_symbol *eds)
 {
 	static const char *nneof = " No newline at end of file\n";
-	const char *context, *reset, *set, *meta, *fraginfo;
+	const char *context, *reset, *set, *set_sign, *meta, *fraginfo;
 	struct strbuf sb = STRBUF_INIT;
 
 	enum diff_symbol s = eds->s;
@@ -1209,7 +1222,7 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
 		context = diff_get_color_opt(o, DIFF_CONTEXT);
 		reset = diff_get_color_opt(o, DIFF_RESET);
 		putc('\n', o->file);
-		emit_line_0(o, context, reset, '\\',
+		emit_line_0(o, context, 0, reset, '\\',
 			    nneof, strlen(nneof));
 		break;
 	case DIFF_SYMBOL_SUBMODULE_HEADER:
@@ -1236,7 +1249,18 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
 	case DIFF_SYMBOL_CONTEXT:
 		set = diff_get_color_opt(o, DIFF_CONTEXT);
 		reset = diff_get_color_opt(o, DIFF_RESET);
-		emit_line_ws_markup(o, set, reset, line, len, ' ',
+		set_sign = NULL;
+		if (o->flags.dual_color_diffed_diffs) {
+			char c = !len ? 0 : line[0];
+
+			if (c == '+')
+				set = diff_get_color_opt(o, DIFF_FILE_NEW);
+			else if (c == '@')
+				set = diff_get_color_opt(o, DIFF_FRAGINFO);
+			else if (c == '-')
+				set = diff_get_color_opt(o, DIFF_FILE_OLD);
+		}
+		emit_line_ws_markup(o, set, reset, line, len, set_sign, ' ',
 				    flags & (DIFF_SYMBOL_CONTENT_WS_MASK), 0);
 		break;
 	case DIFF_SYMBOL_PLUS:
@@ -1263,7 +1287,20 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
 			set = diff_get_color_opt(o, DIFF_FILE_NEW);
 		}
 		reset = diff_get_color_opt(o, DIFF_RESET);
-		emit_line_ws_markup(o, set, reset, line, len, '+',
+		if (!o->flags.dual_color_diffed_diffs)
+			set_sign = NULL;
+		else {
+			char c = !len ? 0 : line[0];
+
+			set_sign = set;
+			if (c == '-')
+				set = diff_get_color_opt(o, DIFF_FILE_OLD);
+			else if (c == '@')
+				set = diff_get_color_opt(o, DIFF_FRAGINFO);
+			else if (c != '+')
+				set = diff_get_color_opt(o, DIFF_CONTEXT);
+		}
+		emit_line_ws_markup(o, set, reset, line, len, set_sign, '+',
 				    flags & DIFF_SYMBOL_CONTENT_WS_MASK,
 				    flags & DIFF_SYMBOL_CONTENT_BLANK_LINE_EOF);
 		break;
@@ -1291,7 +1328,20 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
 			set = diff_get_color_opt(o, DIFF_FILE_OLD);
 		}
 		reset = diff_get_color_opt(o, DIFF_RESET);
-		emit_line_ws_markup(o, set, reset, line, len, '-',
+		if (!o->flags.dual_color_diffed_diffs)
+			set_sign = NULL;
+		else {
+			char c = !len ? 0 : line[0];
+
+			set_sign = set;
+			if (c == '+')
+				set = diff_get_color_opt(o, DIFF_FILE_NEW);
+			else if (c == '@')
+				set = diff_get_color_opt(o, DIFF_FRAGINFO);
+			else if (c != '-')
+				set = diff_get_color_opt(o, DIFF_CONTEXT);
+		}
+		emit_line_ws_markup(o, set, reset, line, len, set_sign, '-',
 				    flags & DIFF_SYMBOL_CONTENT_WS_MASK, 0);
 		break;
 	case DIFF_SYMBOL_WORDS_PORCELAIN:
@@ -1482,6 +1532,7 @@ static void emit_hunk_header(struct emit_callback *ecbdata,
 	const char *frag = diff_get_color(ecbdata->color_diff, DIFF_FRAGINFO);
 	const char *func = diff_get_color(ecbdata->color_diff, DIFF_FUNCINFO);
 	const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
+	const char *reverse = ecbdata->color_diff ? GIT_COLOR_REVERSE : "";
 	static const char atat[2] = { '@', '@' };
 	const char *cp, *ep;
 	struct strbuf msgbuf = STRBUF_INIT;
@@ -1502,6 +1553,8 @@ static void emit_hunk_header(struct emit_callback *ecbdata,
 	ep += 2; /* skip over @@ */
 
 	/* The hunk header in fraginfo color */
+	if (ecbdata->opt->flags.dual_color_diffed_diffs)
+		strbuf_addstr(&msgbuf, reverse);
 	strbuf_addstr(&msgbuf, frag);
 	strbuf_add(&msgbuf, line, ep - line);
 	strbuf_addstr(&msgbuf, reset);
diff --git a/diff.h b/diff.h
index d88ceb3570fda33edc626aa3e2e738870af3346b..cca4f9d6c92cc79bf123dae8e80fa9a06a9584e6 100644
--- a/diff.h
+++ b/diff.h
@@ -95,6 +95,7 @@ struct diff_flags {
 	unsigned default_follow_renames:1;
 	unsigned stat_with_summary:1;
 	unsigned suppress_diff_headers:1;
+	unsigned dual_color_diffed_diffs:1;
 };
 
 static inline void diff_flags_or(struct diff_flags *a,