diff --git a/src/ui/windows/console_tab.cpp b/src/ui/windows/console_tab.cpp
index 1e3ca75..ca8b9b1 100644
--- a/src/ui/windows/console_tab.cpp
+++ b/src/ui/windows/console_tab.cpp
@@ -572,12 +572,14 @@ void ConsoleTab::renderToolbar(ConsoleCommandExecutor& exec)
     ImGui::SameLine();
     {
         float btnSz = ImGui::GetFrameHeight();
+        // Capture the flag BEFORE the button can flip it — the push/pop guards must use the SAME value,
+        // or a click leaves the colour stack unbalanced (ImGui then draws a red error rect on the window).
+        const bool dim = !s_line_accents_enabled;
         const char* icon = s_line_accents_enabled ? ICON_MD_FORMAT_COLOR_FILL : ICON_MD_FORMAT_COLOR_RESET;
-        if (!s_line_accents_enabled)
-            ImGui::PushStyleColor(ImGuiCol_Text, ImGui::ColorConvertU32ToFloat4(OnSurfaceDisabled()));
+        if (dim) ImGui::PushStyleColor(ImGuiCol_Text, ImGui::ColorConvertU32ToFloat4(OnSurfaceDisabled()));
         if (TactileButton(icon, ImVec2(btnSz, btnSz), Type().iconMed()))
             s_line_accents_enabled = !s_line_accents_enabled;
-        if (!s_line_accents_enabled) ImGui::PopStyleColor();
+        if (dim) ImGui::PopStyleColor();
         if (ImGui::IsItemHovered()) material::Tooltip("%s", TR("console_toggle_accents"));
     }
 
@@ -585,11 +587,11 @@ void ConsoleTab::renderToolbar(ConsoleCommandExecutor& exec)
     ImGui::SameLine();
     {
         float btnSz = ImGui::GetFrameHeight();
-        if (!s_line_text_color_enabled)
-            ImGui::PushStyleColor(ImGuiCol_Text, ImGui::ColorConvertU32ToFloat4(OnSurfaceDisabled()));
+        const bool dim = !s_line_text_color_enabled;   // capture before the click flips it (balanced push/pop)
+        if (dim) ImGui::PushStyleColor(ImGuiCol_Text, ImGui::ColorConvertU32ToFloat4(OnSurfaceDisabled()));
         if (TactileButton(ICON_MD_FORMAT_COLOR_TEXT, ImVec2(btnSz, btnSz), Type().iconMed()))
             s_line_text_color_enabled = !s_line_text_color_enabled;
-        if (!s_line_text_color_enabled) ImGui::PopStyleColor();
+        if (dim) ImGui::PopStyleColor();
         if (ImGui::IsItemHovered()) material::Tooltip("%s", TR("console_toggle_text_color"));
     }