diff --git a/implot.cpp b/implot.cpp
index 47ffd02..5f372f6 100644
--- a/implot.cpp
+++ b/implot.cpp
@@ -4472,7 +4472,7 @@ void ColormapScale(const char* label, double scale_min, double scale_max, const
     if (frame_size.y < gp.Style.PlotMinSize.y && size.y < 0.0f)
         frame_size.y = gp.Style.PlotMinSize.y;
 
-    ImPlotRange range(scale_min,scale_max);
+    ImPlotRange range(ImMin(scale_min,scale_max), ImMax(scale_min,scale_max));
     gp.CTicker.Reset();
     Locator_Default(gp.CTicker, range, frame_size.y, true, Formatter_Default, (void*)format);
 
@@ -4497,6 +4497,9 @@ void ColormapScale(const char* label, double scale_min, double scale_max, const
     ImGui::RenderFrame(bb_frame.Min, bb_frame.Max, GetStyleColorU32(ImPlotCol_FrameBg), true, G.Style.FrameRounding);
 
     const bool opposite = ImHasFlag(flags, ImPlotColormapScaleFlags_Opposite);
+    const bool inverted = ImHasFlag(flags, ImPlotColormapScaleFlags_Invert);
+    const bool reversed = scale_min > scale_max;
+
     float bb_grad_shift = opposite ? pad : 0;
     ImRect bb_grad(bb_frame.Min + gp.Style.PlotPadding + ImVec2(bb_grad_shift, 0),
                    bb_frame.Min + ImVec2(bar_w + gp.Style.PlotPadding.x + bb_grad_shift,
@@ -4505,11 +4508,11 @@ void ColormapScale(const char* label, double scale_min, double scale_max, const
     ImGui::PushClipRect(bb_frame.Min, bb_frame.Max, true);
     const ImU32 col_text = ImGui::GetColorU32(ImGuiCol_Text);
 
-    const bool invert = ImHasFlag(flags, ImPlotColormapScaleFlags_Invert);
-    const float y_min = invert ? bb_grad.Max.y : bb_grad.Min.y;
-    const float y_max = invert ? bb_grad.Min.y : bb_grad.Max.y;
+    const bool invert_scale = inverted ? (reversed ? false : true) : (reversed ? true : false);
+    const float y_min = invert_scale ? bb_grad.Max.y : bb_grad.Min.y;
+    const float y_max = invert_scale ? bb_grad.Min.y : bb_grad.Max.y;
 
-    RenderColorBar(gp.ColormapData.GetKeys(cmap), gp.ColormapData.GetKeyCount(cmap), DrawList, bb_grad, true, !invert, !gp.ColormapData.IsQual(cmap));
+    RenderColorBar(gp.ColormapData.GetKeys(cmap), gp.ColormapData.GetKeyCount(cmap), DrawList, bb_grad, true, !inverted, !gp.ColormapData.IsQual(cmap));
     for (int i = 0; i < gp.CTicker.TickCount(); ++i) {
         const double y_pos_plt = gp.CTicker.Ticks[i].PlotPos;
         const float y_pos = ImRemap((float)y_pos_plt, (float)range.Max, (float)range.Min, y_min, y_max);
diff --git a/implot.h b/implot.h
index ba8e154..2c07664 100644
--- a/implot.h
+++ b/implot.h
@@ -212,7 +212,7 @@ enum ImPlotColormapScaleFlags_ {
     ImPlotColormapScaleFlags_None     = 0,      // default
     ImPlotColormapScaleFlags_NoLabel  = 1 << 0, // the colormap axis label will not be displayed
     ImPlotColormapScaleFlags_Opposite = 1 << 1, // render the colormap label and tick labels on the opposite side
-    ImPlotColormapScaleFlags_Invert   = 1 << 2, // invert the colormap axis scale
+    ImPlotColormapScaleFlags_Invert   = 1 << 2, // invert the colormap bar and axis scale (this only affects rendering; if you only want to reverse the scale mapping, make scale_min > scale_max)
 };
 
 // Flags for ANY PlotX function
@@ -1164,7 +1164,7 @@ IMPLOT_API ImVec4 GetColormapColor(int idx, ImPlotColormap cmap = IMPLOT_AUTO);
 // Sample a color from the current colormap given t between 0 and 1.
 IMPLOT_API ImVec4 SampleColormap(float t, ImPlotColormap cmap = IMPLOT_AUTO);
 
-// Shows a vertical color scale with linear spaced ticks using the specified color map. Use double hashes to hide label (e.g. "##NoLabel").
+// Shows a vertical color scale with linear spaced ticks using the specified color map. Use double hashes to hide label (e.g. "##NoLabel"). If scale_min > scale_max, the scale to color mapping will be reversed.
 IMPLOT_API void ColormapScale(const char* label, double scale_min, double scale_max, const ImVec2& size = ImVec2(0,0), const char* format = "%g", ImPlotColormapScaleFlags flags = 0, ImPlotColormap cmap = IMPLOT_AUTO);
 // Shows a horizontal slider with a colormap gradient background. Optionally returns the color sampled at t in [0 1].
 IMPLOT_API bool ColormapSlider(const char* label, float* t, ImVec4* out = NULL, const char* format = "", ImPlotColormap cmap = IMPLOT_AUTO);
diff --git a/implot_demo.cpp b/implot_demo.cpp
index 22545a7..f3c52d3 100644
--- a/implot_demo.cpp
+++ b/implot_demo.cpp
@@ -2076,7 +2076,9 @@ void Demo_ColormapWidgets() {
     ImPlot::ColormapIcon(cmap); ImGui::SameLine(); ImGui::Text("Icon");
 
     static ImPlotColormapScaleFlags flags = 0;
-    ImPlot::ColormapScale("Scale",0,100,ImVec2(0,0),"%g dB",flags,cmap);
+    static float scale[2] = {0, 100};
+    ImPlot::ColormapScale("Scale",scale[0],scale[1],ImVec2(0,0),"%g dB",flags,cmap);
+    ImGui::InputFloat2("Scale",scale);
     CHECKBOX_FLAG(flags, ImPlotColormapScaleFlags_NoLabel);
     CHECKBOX_FLAG(flags, ImPlotColormapScaleFlags_Opposite);
     CHECKBOX_FLAG(flags, ImPlotColormapScaleFlags_Invert);