diff --git a/gui/include/Visualization/SqpColorScale.h b/gui/include/Visualization/SqpColorScale.h
new file mode 100644
index 0000000..0a436ce
--- /dev/null
+++ b/gui/include/Visualization/SqpColorScale.h
@@ -0,0 +1,24 @@
+#ifndef SCIQLOP_SQPCOLORSCALE_H
+#define SCIQLOP_SQPCOLORSCALE_H
+
+#include <Visualization/qcustomplot.h>
+
+/**
+ * @brief The SqpColorScale struct represents the color scale for some graphs (such as
+ * spectrograms).
+ *
+ * Its implementation is based on the QCustomPlot color scale (@sa QCPColorScale) to which are added
+ * other useful properties for viewing in SciQlop
+ */
+struct SqpColorScale {
+    explicit SqpColorScale(QCustomPlot &plot);
+
+    /// QCustomPlot object representing the color scale.
+    /// @remarks The SqpColorScale instance has not the property on this pointer. The pointer must
+    /// remain valid throughout the existence of the SqpColorScale instance
+    QCPColorScale *m_Scale{nullptr};
+    bool m_AutomaticThreshold{false};
+    QCPColorGradient::GradientPreset m_GradientPreset{QCPColorGradient::gpJet};
+};
+
+#endif // SCIQLOP_SQPCOLORSCALE_H
diff --git a/gui/meson.build b/gui/meson.build
index 4106eb8..82ce47c 100644
--- a/gui/meson.build
+++ b/gui/meson.build
@@ -80,7 +80,8 @@ gui_sources = [
   'src/Visualization/PlottablesRenderingUtils.cpp',
   'src/Visualization/MacScrollBarStyle.cpp',
   'src/Visualization/VisualizationCursorItem.cpp',
-  'src/Visualization/ColorScaleWidget.cpp'
+  'src/Visualization/ColorScaleWidget.cpp',
+  'src/Visualization/SqpColorScale.cpp'
 ]
 
 gui_inc = include_directories(['include'])
diff --git a/gui/src/Visualization/SqpColorScale.cpp b/gui/src/Visualization/SqpColorScale.cpp
new file mode 100644
index 0000000..ae84524
--- /dev/null
+++ b/gui/src/Visualization/SqpColorScale.cpp
@@ -0,0 +1,17 @@
+#include "Visualization/SqpColorScale.h"
+
+namespace {
+
+const auto DEFAULT_GRADIENT_PRESET = QCPColorGradient::gpJet;
+const auto DEFAULT_RANGE = QCPRange{1.0e3, 1.7e7};
+
+} // namespace
+
+SqpColorScale::SqpColorScale(QCustomPlot &plot)
+        : m_Scale{new QCPColorScale{&plot}},
+          m_AutomaticThreshold{false},
+          m_GradientPreset{DEFAULT_GRADIENT_PRESET}
+{
+    m_Scale->setGradient(m_GradientPreset);
+    m_Scale->setDataRange(DEFAULT_RANGE);
+}