diff --git a/external/VSRTL b/external/VSRTL
index 9d808febc..1b8be3b85 160000
--- a/external/VSRTL
+++ b/external/VSRTL
@@ -1 +1 @@
-Subproject commit 9d808febca3805e277cf380cf5d0326ac785f7e2
+Subproject commit 1b8be3b8549c21e95eecace1290dba3cc4e3a40d
diff --git a/src/cachesim/cacheplotwidget.cpp b/src/cachesim/cacheplotwidget.cpp
index 95503932a..b98b14eea 100644
--- a/src/cachesim/cacheplotwidget.cpp
+++ b/src/cachesim/cacheplotwidget.cpp
@@ -120,13 +120,13 @@ void CachePlotWidget::setCache(std::shared_ptr<CacheSim> cache) {
     m_plot = new QChart();
     m_series = new QLineSeries(m_plot);
     auto defaultPen = m_series->pen();  // Inherit default pen state
-    defaultPen.setColor(QColor(FoundersRock));
+    defaultPen.setColor(Colors::FoundersRock);
     m_series->setName("Total");
     m_series->setPen(defaultPen);
     m_plot->addSeries(m_series);
     m_mavgSeries = new QLineSeries(m_plot);
     m_mavgSeries->setName("Moving avg.");
-    defaultPen.setColor(QColor(Medalist));
+    defaultPen.setColor(Colors::Medalist);
     m_mavgSeries->setPen(defaultPen);
     m_plot->addSeries(m_mavgSeries);
     m_plot->createDefaultAxes();
diff --git a/src/cachesim/callout.cpp b/src/cachesim/callout.cpp
index 76d0e1942..ebd972b9e 100644
--- a/src/cachesim/callout.cpp
+++ b/src/cachesim/callout.cpp
@@ -95,7 +95,7 @@ void Callout::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, Q
         path.lineTo(point2);
         path = path.simplified();
     }
-    painter->setBrush(QColor(255, 255, 255));
+    painter->setBrush(QColorConstants::White);
     painter->drawPath(path);
     painter->drawText(m_textRect, m_text);
     painter->restore();
diff --git a/src/defines.h b/src/defines.h
index 1943bfad5..eef0de3d4 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -1,9 +1,11 @@
 #pragma once
 
+#include <QColor>
 #include <QList>
 #include <QMetaType>
 #include <QPair>
 #include <QString>
+
 #include <cstdint>
 #include <map>
 #include <vector>
@@ -46,14 +48,13 @@ class StagePCS {
     PC WB;
 };
 
-enum Colors {
-    // Berkeley primary color palette
-    BerkeleyBlue = 0x003262,
-    FoundersRock = 0x3B7EA1,
-    CaliforniaGold = 0xFDB515,
-    Medalist = 0xC4820E,
-    FlatGreen = 0x4cde75
-};
+namespace Colors {
+constexpr QColor BerkeleyBlue = {0x00, 0x32, 0x62};
+constexpr QColor FoundersRock = {0x3B, 0x7E, 0xA1};
+constexpr QColor CaliforniaGold = {0xFD, 0xB5, 0x15};
+constexpr QColor Medalist = {0xC4, 0x82, 0x0E};
+constexpr QColor FlatGreen = {0x4c, 0xde, 0x75};
+};  // namespace Colors
 
 namespace {
 static QMap<QString, displayTypeN> initDisplayTypes() {
diff --git a/src/editor/codeeditor.cpp b/src/editor/codeeditor.cpp
index 5832f3474..4983bb1c7 100644
--- a/src/editor/codeeditor.cpp
+++ b/src/editor/codeeditor.cpp
@@ -233,7 +233,7 @@ void CodeEditor::highlightCurrentLine() {
     if (!isReadOnly()) {
         QTextEdit::ExtraSelection selection;
 
-        QColor lineColor = QColor(Colors::Medalist).lighter(160);
+        QColor lineColor = Colors::Medalist.lighter(160);
 
         selection.format.setBackground(lineColor);
         selection.format.setProperty(QTextFormat::FullWidthSelection, true);
@@ -247,7 +247,7 @@ void CodeEditor::highlightCurrentLine() {
 
 void CodeEditor::lineNumberAreaPaintEvent(QPaintEvent* event) {
     QPainter painter(m_lineNumberArea);
-    painter.fillRect(event->rect(), QColor(Qt::lightGray).lighter(120));
+    painter.fillRect(event->rect(), QColorConstants::LightGray.lighter(120));
 
     QTextBlock block = firstVisibleBlock();
     int blockNumber = block.blockNumber();
@@ -257,7 +257,7 @@ void CodeEditor::lineNumberAreaPaintEvent(QPaintEvent* event) {
     while (block.isValid() && top <= event->rect().bottom()) {
         if (block.isVisible() && bottom >= event->rect().top()) {
             QString number = QString::number(blockNumber + 1);
-            painter.setPen(QColor(Qt::gray).darker(130));
+            painter.setPen(QColorConstants::Gray.darker(130));
             painter.drawText(0, top, m_lineNumberArea->width() - 3, fontMetrics().height(), Qt::AlignRight, number);
         }
 
diff --git a/src/editor/csyntaxhighlighter.cpp b/src/editor/csyntaxhighlighter.cpp
index 19c266646..6982fbd4e 100644
--- a/src/editor/csyntaxhighlighter.cpp
+++ b/src/editor/csyntaxhighlighter.cpp
@@ -43,24 +43,24 @@ CSyntaxHighlighter::CSyntaxHighlighter(QTextDocument* parent, std::shared_ptr<As
         highlightingRules.append(rule);
     }
 
-    singleLineCommentFormat.setForeground(QColor(Colors::Medalist));
+    singleLineCommentFormat.setForeground(Colors::Medalist);
     rule.pattern = QRegularExpression(QStringLiteral("//[^\n]*"));
     rule.format = singleLineCommentFormat;
     highlightingRules.append(rule);
 
-    multiLineCommentFormat.setForeground(QColor(Colors::Medalist));
+    multiLineCommentFormat.setForeground(Colors::Medalist);
 
-    preprocessorFormat.setForeground(QColor(Qt::magenta).darker());
+    preprocessorFormat.setForeground(QColorConstants::DarkMagenta);
     rule.pattern = QRegularExpression(QStringLiteral("^\\ *#[^ ]*"));
     rule.format = preprocessorFormat;
     highlightingRules.append(rule);
 
-    quotationFormat.setForeground(QColor(0x800000));
+    quotationFormat.setForeground(QColor{0x80, 0x00, 0x00});
     rule.pattern = QRegularExpression(QStringLiteral("\".*\""));
     rule.format = quotationFormat;
     highlightingRules.append(rule);
 
-    functionFormat.setForeground(QColor(Colors::BerkeleyBlue));
+    functionFormat.setForeground(Colors::BerkeleyBlue);
     rule.pattern = QRegularExpression(QStringLiteral("\\b[A-Za-z0-9_]+(?=\\()"));
     rule.format = functionFormat;
     highlightingRules.append(rule);
diff --git a/src/editor/rvsyntaxhighlighter.cpp b/src/editor/rvsyntaxhighlighter.cpp
index 022366d6e..fa136deaf 100644
--- a/src/editor/rvsyntaxhighlighter.cpp
+++ b/src/editor/rvsyntaxhighlighter.cpp
@@ -10,7 +10,7 @@ RVSyntaxHighlighter::RVSyntaxHighlighter(QTextDocument* parent, std::shared_ptr<
     HighlightingRule rule;
 
     // General registers
-    registerFormat.setForeground(QColor(0x800000));
+    registerFormat.setForeground(QColor{0x80, 0x00, 0x00});
     rule.pattern = QRegularExpression("\\b[(a|s|t|x)][0-9]{1,2}");
     rule.format = registerFormat;
     m_highlightingRules.append(rule);
@@ -30,7 +30,7 @@ RVSyntaxHighlighter::RVSyntaxHighlighter(QTextDocument* parent, std::shared_ptr<
     }
 
     // Instructions
-    instructionFormat.setForeground(QColor(Colors::BerkeleyBlue));
+    instructionFormat.setForeground(Colors::BerkeleyBlue);
     for (const auto& pattern : supportedOpcodes) {
         const QString regexPattern = "\\b" + pattern + "\\b";
         rule.pattern = QRegularExpression(regexPattern);
@@ -39,19 +39,19 @@ RVSyntaxHighlighter::RVSyntaxHighlighter(QTextDocument* parent, std::shared_ptr<
     }
 
     // Labels
-    labelFormat.setForeground(QColor(Colors::Medalist));
+    labelFormat.setForeground(Colors::Medalist);
     rule.pattern = QRegularExpression(R"([\S]+:)");
     rule.format = labelFormat;
     m_highlightingRules.append(rule);
 
     // Strings
-    stringFormat.setForeground(QColor(0x800000));
+    stringFormat.setForeground(QColor{0x80, 0x00, 0x00});
     rule.pattern = QRegularExpression(R"("(?:[^"]|\.)*")");
     rule.format = stringFormat;
     m_highlightingRules.append(rule);
 
     // Immediates
-    immediateFormat.setForeground(QColor(Qt::darkGreen));
+    immediateFormat.setForeground(QColorConstants::DarkGreen);
     rule.pattern = QRegularExpression("\\b(?<![A-Za-z])[-+]?\\d+");
     rule.format = immediateFormat;
     m_highlightingRules.append(rule);
@@ -61,7 +61,7 @@ RVSyntaxHighlighter::RVSyntaxHighlighter(QTextDocument* parent, std::shared_ptr<
     m_highlightingRules.append(rule);
 
     // Comments
-    commentFormat.setForeground(QColor(Colors::Medalist));
+    commentFormat.setForeground(Colors::Medalist);
     rule.pattern = QRegularExpression("[#]+.*");
     rule.format = commentFormat;
     m_highlightingRules.append(rule);
diff --git a/src/loaddialog.cpp b/src/loaddialog.cpp
index ed363aba1..745c6d2f5 100644
--- a/src/loaddialog.cpp
+++ b/src/loaddialog.cpp
@@ -109,7 +109,7 @@ void LoadDialog::openFileButtonTriggered() {
 void LoadDialog::paletteValidate(QWidget* w, bool valid) {
     QPalette palette = this->palette();
     if (!valid) {
-        palette.setColor(QPalette::Base, QColor(0xEB8383));
+        palette.setColor(QPalette::Base, QColor{0xEB, 0x83, 0x83});
     }
     w->setPalette(palette);
 }
diff --git a/src/programviewer.cpp b/src/programviewer.cpp
index 28b11c22f..8f5046156 100644
--- a/src/programviewer.cpp
+++ b/src/programviewer.cpp
@@ -94,7 +94,7 @@ void ProgramViewer::setFollowEnabled(bool enabled) {
 
 void ProgramViewer::updateHighlightedAddresses() {
     const unsigned stages = ProcessorHandler::getProcessor()->stageCount();
-    QColor bg = QColor(Qt::red).lighter(120);
+    QColor bg = QColorConstants::Red.lighter(120);
     const int decRatio = 100 + 80 / stages;
     QList<QTextEdit::ExtraSelection> highlights;
     std::set<unsigned long> highlightedPCs;
@@ -162,8 +162,8 @@ void ProgramViewer::breakpointAreaPaintEvent(QPaintEvent* event) {
     // redrawing the visible breakpoint area
     auto area = m_breakpointArea->rect();
     QLinearGradient gradient = QLinearGradient(area.topLeft(), area.bottomRight());
-    gradient.setColorAt(0, QColor(Colors::FoundersRock).lighter(120));
-    gradient.setColorAt(1, QColor(Colors::FoundersRock));
+    gradient.setColorAt(0, Colors::FoundersRock.lighter(120));
+    gradient.setColorAt(1, Colors::FoundersRock);
 
     painter.fillRect(area, gradient);
 
diff --git a/src/registermodel.cpp b/src/registermodel.cpp
index ef9c3fcce..075a30db7 100644
--- a/src/registermodel.cpp
+++ b/src/registermodel.cpp
@@ -82,7 +82,7 @@ QVariant RegisterModel::data(const QModelIndex& index, int role) const {
     if (role == Qt::ToolTipRole) {
         return tooltipData(idx);
     } else if (role == Qt::BackgroundRole && index.row() == m_mostRecentlyModifiedReg) {
-        return QBrush(QColor(0xFDB515));
+        return QBrush(QColor{0xFD, 0xB5, 0x15});
     }
 
     switch (index.column()) {
diff --git a/src/ripessettings.cpp b/src/ripessettings.cpp
index d5bdbf1b6..3bc9c9843 100644
--- a/src/ripessettings.cpp
+++ b/src/ripessettings.cpp
@@ -15,10 +15,10 @@ const std::map<QString, QVariant> s_defaultSettings = {
     {RIPES_SETTING_CCARGS, "-O0"},
     {RIPES_SETTING_LDARGS, "-static-libgcc -lm"},  // Ensure statically linked executable + link with math library
     {RIPES_SETTING_CONSOLEECHO, "true"},
-    {RIPES_SETTING_CONSOLEBG, QColor(Qt::white)},
-    {RIPES_SETTING_CONSOLEFONTCOLOR, QColor(Qt::black)},
+    {RIPES_SETTING_CONSOLEBG, QColorConstants::White},
+    {RIPES_SETTING_CONSOLEFONTCOLOR, QColorConstants::Black},
     {RIPES_SETTING_CONSOLEFONT, QVariant() /* Let Console define its own default font */},
-    {RIPES_SETTING_CONSOLEFONT, QColor(Qt::black)},
+    {RIPES_SETTING_CONSOLEFONT, QColorConstants::Black},
     {RIPES_SETTING_INDENTAMT, 4},
 
     {RIPES_SETTING_ASSEMBLER_TEXTSTART, 0x0},
diff --git a/src/settingsdialog.cpp b/src/settingsdialog.cpp
index f3d6161d1..fc1189f65 100644
--- a/src/settingsdialog.cpp
+++ b/src/settingsdialog.cpp
@@ -241,10 +241,10 @@ QWidget* SettingsDialog::createCompilerPage() {
 void SettingsDialog::CCPathChanged(CCManager::CCRes res) {
     QPalette palette = this->palette();
     if (res.success) {
-        palette.setColor(QPalette::Base, QColor(Qt::green).lighter());
+        palette.setColor(QPalette::Base, QColorConstants::Green.lighter());
         m_compileInfoHeader->setText("Compile command:");
     } else {
-        palette.setColor(QPalette::Base, QColor(Qt::red).lighter());
+        palette.setColor(QPalette::Base, QColorConstants::Red.lighter());
         m_compileInfoHeader->setText("Error:");
     }
     m_ccpath->setPalette(palette);