diff --git a/src/python/python_bindings.cpp b/src/python/python_bindings.cpp
index c661839f..574dd985 100644
--- a/src/python/python_bindings.cpp
+++ b/src/python/python_bindings.cpp
@@ -146,6 +146,9 @@ np::ndarray computeHeatMapColorsPython2(const bp::list& scores, float hue_low_sc
   return fromEigen<float, Eigen::Dynamic, 3>(computeHeatMapColors(scores_v, hue_low_score, hue_high_score));
 }
 
+BOOST_PYTHON_FUNCTION_OVERLOADS(compute_heat_map_colors_python1_overloads, computeHeatMapColorsPython1, 2, 4)
+BOOST_PYTHON_FUNCTION_OVERLOADS(compute_heat_map_colors_python2_overloads, computeHeatMapColorsPython2, 1, 3)
+
 BOOST_PYTHON_MODULE(MODULE_NAME)
 {
   Py_Initialize();
@@ -295,8 +298,13 @@ BOOST_PYTHON_MODULE(MODULE_NAME)
     bp::def("load", &load);
     bp::def("calculateResults", &calculateResults);
     bp::def("normalizeScores", &normalizeScoresPython);
-    bp::def("computeHeatMapColors", &computeHeatMapColorsPython1);
-    bp::def("computeHeatMapColors", &computeHeatMapColorsPython2);
+    bp::def(
+        "computeHeatMapColors", &computeHeatMapColorsPython1,
+        compute_heat_map_colors_python1_overloads((bp::arg("results"), bp::arg("use_full_color_range"),
+                                                   bp::arg("hue_low_score") = 270.0, bp::arg("hue_high_score") = 0.0)));
+    bp::def("computeHeatMapColors", &computeHeatMapColorsPython2,
+            compute_heat_map_colors_python2_overloads(
+                (bp::arg("scores"), bp::arg("hue_low_score") = 270.0, bp::arg("hue_high_score") = 0.0)));
   }
 
   // Register shared_ptrs