diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index c0db6825a8..c3d004c07f 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -3149,6 +3149,16 @@ int MachineObject::parse_json(std::string payload)
                                         } else {
                                             curr_tray->color = "";
                                         }
+
+                                        curr_tray->cols.clear();
+                                        if (tray_it->contains("cols")) {
+                                            if ((*tray_it)["cols"].is_array()) {
+                                                for (auto it = (*tray_it)["cols"].begin(); it != (*tray_it)["cols"].end(); it++) {
+                                                   curr_tray->cols.push_back(it.value().get<std::string>());
+                                                }
+                                            }
+                                        }
+                                 
                                         if (tray_it->contains("remain")) {
                                             curr_tray->remain = (*tray_it)["remain"].get<int>();
                                         } else {
@@ -3297,6 +3307,16 @@ int MachineObject::parse_json(std::string payload)
                                 else {
                                     vt_tray.color = "";
                                 }
+
+                                vt_tray.cols.clear();
+                                if (jj["vt_tray"].contains("cols")) {
+                                    if (jj["vt_tray"].is_array()) {
+                                        for (auto it = jj["vt_tray"].begin(); it != jj["vt_tray"].end(); it++) {
+                                            vt_tray.cols.push_back(it.value().get<std::string>());
+                                        }
+                                    }
+                                }
+
                                 if (jj["vt_tray"].contains("remain")) {
                                     vt_tray.remain = jj["vt_tray"]["remain"].get<int>();
                                 }
@@ -3371,6 +3391,16 @@ int MachineObject::parse_json(std::string payload)
                                     tray_it->second->nozzle_temp_min = std::to_string(jj["nozzle_temp_min"].get<int>());
                                     tray_it->second->type = jj["tray_type"].get<std::string>();
                                     tray_it->second->color = jj["tray_color"].get<std::string>();
+
+                                    /*tray_it->second->cols.clear();
+                                    if (jj.contains("cols")) {
+                                        if (jj["cols"].is_array()) {
+                                            for (auto it = jj["cols"].begin(); it != jj["cols"].end(); it++) {
+                                                tray_it->second->cols.push_back(it.value().get<std::string>());
+                                            }
+                                        }
+                                    }*/
+
                                     tray_it->second->setting_id = jj["tray_info_idx"].get<std::string>();
                                     // delay update
                                     tray_it->second->set_hold_count();
diff --git a/src/slic3r/GUI/DeviceManager.hpp b/src/slic3r/GUI/DeviceManager.hpp
index a6dd286e33..0106e023e0 100644
--- a/src/slic3r/GUI/DeviceManager.hpp
+++ b/src/slic3r/GUI/DeviceManager.hpp
@@ -193,6 +193,7 @@ public:
     std::string     type;
     std::string     sub_brands;
     std::string     color;
+    std::vector<std::string> cols;
     std::string     weight;
     std::string     diameter;
     std::string     temp;
diff --git a/src/slic3r/GUI/Widgets/AMSControl.cpp b/src/slic3r/GUI/Widgets/AMSControl.cpp
index e9137e1409..5ddf4a04cf 100644
--- a/src/slic3r/GUI/Widgets/AMSControl.cpp
+++ b/src/slic3r/GUI/Widgets/AMSControl.cpp
@@ -58,6 +58,10 @@ bool AMSinfo::parse_ams_info(Ams *ams, bool remain_flag, bool humidity_flag)
                     info.material_colour = AMS_TRAY_DEFAULT_COL;
                 }
 
+                for (std::string cols:it->second->cols) {
+                    info.material_cols.push_back(AmsTray::decode_color(cols));
+                }
+
                 if (MachineObject::is_bbl_filament(it->second->tag_uid)) {
                     info.material_state = AMSCanType::AMS_CAN_TYPE_BRAND;
                 } else {
@@ -840,15 +844,33 @@ void AMSLib::doRender(wxDC &dc)
     int height = size.y - FromDIP(8);
     int curr_height = height * float(m_info.material_remain * 1.0 / 100.0);
 
-    
-
     int top = height - curr_height;
 
     if (curr_height >= FromDIP(6)) {
 #ifdef __APPLE__
          dc.DrawRoundedRectangle(FromDIP(4), FromDIP(4) + top, size.x - FromDIP(8), curr_height, m_radius);
 #else
-         dc.DrawRoundedRectangle(FromDIP(4), FromDIP(4) + top, size.x - FromDIP(8), curr_height, m_radius - 1);
+        //gradient
+        if (m_info.material_cols.size() > 1) {
+            int left = FromDIP(4);
+            float total_width = size.x - FromDIP(8);
+            int gwidth = std::round(total_width / (m_info.material_cols.size() - 1));
+
+            for (int i = 0; i < m_info.material_cols.size() - 1; i++) {
+
+                if ( (left + gwidth) > (size.x - FromDIP(8)) ) {
+                    gwidth = (size.x - FromDIP(4)) - left;
+                }
+
+                auto rect = wxRect(left, height - curr_height + FromDIP(4), gwidth, curr_height);
+                dc.GradientFillLinear(rect, m_info.material_cols[i], m_info.material_cols[i+1], wxEAST);
+                left += gwidth;
+            }
+        }
+        else {
+            dc.DrawRoundedRectangle(FromDIP(4), FromDIP(4) + top, size.x - FromDIP(8), curr_height, m_radius - 1);
+        }
+        
 #endif
 
        
diff --git a/src/slic3r/GUI/Widgets/AMSControl.hpp b/src/slic3r/GUI/Widgets/AMSControl.hpp
index 8b996002ef..1c67052b8f 100644
--- a/src/slic3r/GUI/Widgets/AMSControl.hpp
+++ b/src/slic3r/GUI/Widgets/AMSControl.hpp
@@ -136,6 +136,7 @@ struct Caninfo
     int             material_remain = 100;
     float           k = 0.0f;
     float           n = 0.0f;
+    std::vector<wxColour> material_cols;
 };
 
 struct AMSinfo