1 files changed, 4 insertions, 2 deletions
diff --git a/src/gui/painting/qcolor_p.cpp b/src/gui/painting/qcolor_p.cpp
index b913f5338c..ca5c56e07e 100644
--- a/src/gui/painting/qcolor_p.cpp
+++ b/src/gui/painting/qcolor_p.cpp
@@ -49,6 +49,8 @@
 #include "qrgb.h"
 #include "qstringlist.h"
 
+#include <algorithm>
+
 QT_BEGIN_NAMESPACE
 
 static inline int h2i(char hex)
@@ -301,8 +303,8 @@ inline bool operator<(const RGBData &data, const char *name)
 static bool get_named_rgb(const char *name_no_space, QRgb *rgb)
 {
     QByteArray name = QByteArray(name_no_space).toLower();
-    const RGBData *r = qBinaryFind(rgbTbl, rgbTbl + rgbTblSize, name.constData());
-    if (r != rgbTbl + rgbTblSize) {
+    const RGBData *r = std::lower_bound(rgbTbl, rgbTbl + rgbTblSize, name.constData());
+    if ((r != rgbTbl + rgbTblSize) && !(name.constData() < *r)) {
         *rgb = r->value;
         return true;
     }