diff --git a/svg.cpp b/svg.cpp
index 64e6409..82634e9 100644
--- a/svg.cpp
+++ b/svg.cpp
@@ -27,7 +27,7 @@ void svg_rect(double x, double y, double width, double height, string stroke = "
 }
 
 void
-show_histogram_svg(const vector<size_t>& bins, const std::vector<double>& borders, size_t bin_count) {
+show_histogram_svg(const vector<size_t>& bins, const std::vector<double>& borders, size_t bin_count, string filling) {
     const auto IMAGE_WIDTH = 400;
     const auto IMAGE_HEIGHT = 300;
     const auto TEXT_LEFT = 20;
@@ -40,26 +40,33 @@ show_histogram_svg(const vector<size_t>& bins, const std::vector<double>& border
     size_t max_bin = *max_element(bins.begin(), bins.end());
     size_t number_of_blocks;
     double top = 0;
-    size_t color = 0;
+    size_t paint_swicher = 0;
+    string color;
     size_t border = 0;
     for (size_t bin: bins){
+        if (filling != "base"){
+            color = filling;
+        }
+        else{
+            color = colors[paint_swicher];
+        }
         number_of_blocks = bin;
         if ((max_bin * BLOCK_WIDTH) > (IMAGE_WIDTH - TEXT_WIDTH)){
             number_of_blocks = ((IMAGE_WIDTH - TEXT_WIDTH)/10) * (static_cast<double>(bin) / max_bin);
         }
         const double bin_width = BLOCK_WIDTH * number_of_blocks;
         svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
-        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "black", colors[color]);
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "black", color);
+        paint_swicher += 1;
+        if (paint_swicher > 6){
+            paint_swicher = 0;
+        }
         if (border < bin_count - 1){
             top += BIN_HEIGHT;
             svg_text(TEXT_LEFT / 2, top + TEXT_BASELINE , to_string(borders[border]));
             border += 1;
             top += BIN_HEIGHT;
         }
-        color += 1;
-        if (color > 6){
-            color = 0;
-        }
     }
     svg_end();
 }