diff --git a/kcms/colors/colors.cpp b/kcms/colors/colors.cpp
index 04db87410..da5796400 100644
--- a/kcms/colors/colors.cpp
+++ b/kcms/colors/colors.cpp
@@ -391,12 +391,12 @@ void KCMColors::saveColors()
     setGlobals();
 }
 
-QColor KCMColors::accentBackground(const QColor& accent, const QColor& background)
+QColor KCMColors::accentBackground(const QColor &accent, const QColor &background)
 {
     return ::accentBackground(accent, background);
 }
 
-QColor KCMColors::accentForeground(const QColor& accent, const bool& isActive)
+QColor KCMColors::accentForeground(const QColor &accent, const bool &isActive)
 {
     return ::accentForeground(accent, isActive);
 }
diff --git a/kcms/colors/colors.h b/kcms/colors/colors.h
index 743e1d44f..d056600d7 100644
--- a/kcms/colors/colors.h
+++ b/kcms/colors/colors.h
@@ -63,7 +63,7 @@ public:
     Q_INVOKABLE void knsEntryChanged(KNSCore::EntryWrapper *entry);
 
     QColor accentColor() const;
-    void setAccentColor(const QColor& accentColor);
+    void setAccentColor(const QColor &accentColor);
     void resetAccentColor();
     Q_SIGNAL void accentColorChanged();
 
@@ -71,8 +71,8 @@ public:
 
     Q_INVOKABLE void editScheme(const QString &schemeName, QQuickItem *ctx);
 
-    Q_INVOKABLE QColor accentBackground(const QColor& accent, const QColor& background);
-    Q_INVOKABLE QColor accentForeground(const QColor& accent, const bool& isActive);
+    Q_INVOKABLE QColor accentBackground(const QColor &accent, const QColor &background);
+    Q_INVOKABLE QColor accentForeground(const QColor &accent, const bool &isActive);
 
 public Q_SLOTS:
     void load() override;
diff --git a/kcms/colors/colorsapplicator.cpp b/kcms/colors/colorsapplicator.cpp
index 79ea76e08..740ebfc90 100644
--- a/kcms/colors/colorsapplicator.cpp
+++ b/kcms/colors/colorsapplicator.cpp
@@ -92,10 +92,10 @@ void applyScheme(const QString &colorSchemePath, KConfig *configOutput, KConfig:
 
         if (item == QStringLiteral("Colors:Selection") && hasAccent()) {
             QColor accentbg = accentBackground(getAccent(), config->group("Colors:View").readEntry<QColor>("BackgroundNormal", QColor()));
-            for (const auto& entry : {QStringLiteral("BackgroundNormal"), QStringLiteral("BackgroundAlternate")}) {
+            for (const auto &entry : {QStringLiteral("BackgroundNormal"), QStringLiteral("BackgroundAlternate")}) {
                 targetGroup.writeEntry(entry, accentbg);
             }
-            for (const auto& entry : {QStringLiteral("ForegroundNormal"), QStringLiteral("ForegroundInactive")}) {
+            for (const auto &entry : {QStringLiteral("ForegroundNormal"), QStringLiteral("ForegroundInactive")}) {
                 targetGroup.writeEntry(entry, accentForeground(accentbg, true));
             }
         }
@@ -109,7 +109,7 @@ void applyScheme(const QString &colorSchemePath, KConfig *configOutput, KConfig:
             }
         }
 
-        //Header accent colouring
+        // Header accent colouring
         if (item == QStringLiteral("Colors:Header") && config->hasGroup(QStringLiteral("Colors:Header")) && hasAccent()) {
             QColor accentbg = accentBackground(getAccent(), config->group("Colors:Window").readEntry<QColor>("BackgroundNormal", QColor()));
             if (accentActiveTitlebar) {
@@ -120,7 +120,7 @@ void applyScheme(const QString &colorSchemePath, KConfig *configOutput, KConfig:
             if (accentInactiveTitlebar) {
                 targetGroup = targetGroup.group("Inactive");
                 targetGroup.writeEntry("BackgroundNormal", accentbg);
-                targetGroup.writeEntry("ForegroundNormal", accentForeground(accentbg, false)); //Dimmed foreground
+                targetGroup.writeEntry("ForegroundNormal", accentForeground(accentbg, false)); // Dimmed foreground
             }
         }
     }
@@ -149,7 +149,7 @@ void applyScheme(const QString &colorSchemePath, KConfig *configOutput, KConfig:
         ++i;
     }
 
-    if (hasAccent()) { //Titlebar accent colouring
+    if (hasAccent()) { // Titlebar accent colouring
         QColor accentbg = accentBackground(getAccent(), config->group("Colors:Window").readEntry<QColor>("BackgroundNormal", QColor()));
         if (accentActiveTitlebar) {
             groupWMOut.writeEntry("activeBackground", accentbg);
@@ -157,11 +157,10 @@ void applyScheme(const QString &colorSchemePath, KConfig *configOutput, KConfig:
         }
         if (accentInactiveTitlebar) {
             groupWMOut.writeEntry("inactiveBackground", accentbg);
-            groupWMOut.writeEntry("inactiveForeground", accentForeground(accentbg, false)); //Dimmed foreground
+            groupWMOut.writeEntry("inactiveForeground", accentForeground(accentbg, false)); // Dimmed foreground
         }
     }
 
-
     const QStringList groupNameList{QStringLiteral("ColorEffects:Inactive"), QStringLiteral("ColorEffects:Disabled")};
 
     const QStringList effectList{QStringLiteral("Enable"),
diff --git a/kcms/colors/colorsapplicator.h b/kcms/colors/colorsapplicator.h
index 78808ce28..b691cae16 100644
--- a/kcms/colors/colorsapplicator.h
+++ b/kcms/colors/colorsapplicator.h
@@ -10,8 +10,8 @@
 #include <QColor>
 #include <QString>
 
-#include <KConfig>
 #include <KColorUtils>
+#include <KConfig>
 
 inline QColor alphaBlend(const QColor &foreground, const QColor &background)
 {
@@ -24,47 +24,43 @@ inline QColor alphaBlend(const QColor &foreground, const QColor &background)
     }
 
     if (backgroundAlpha == 1.0) {
-        return QColor::fromRgb(
-            (foregroundAlpha*foreground.red()) + (inverseForegroundAlpha*background.red()),
-            (foregroundAlpha*foreground.green()) + (inverseForegroundAlpha*background.green()),
-            (foregroundAlpha*foreground.blue()) + (inverseForegroundAlpha*background.blue()),
-            0xff
-        );
+        return QColor::fromRgb((foregroundAlpha * foreground.red()) + (inverseForegroundAlpha * background.red()),
+                               (foregroundAlpha * foreground.green()) + (inverseForegroundAlpha * background.green()),
+                               (foregroundAlpha * foreground.blue()) + (inverseForegroundAlpha * background.blue()),
+                               0xff);
     } else {
         const auto inverseBackgroundAlpha = (backgroundAlpha * inverseForegroundAlpha);
         const auto finalAlpha = foregroundAlpha + inverseBackgroundAlpha;
         Q_ASSERT(finalAlpha != 0.0);
 
-        return QColor::fromRgb(
-            (foregroundAlpha*foreground.red()) + (inverseBackgroundAlpha*background.red()),
-            (foregroundAlpha*foreground.green()) + (inverseBackgroundAlpha*background.green()),
-            (foregroundAlpha*foreground.blue()) + (inverseBackgroundAlpha*background.blue()),
-            finalAlpha
-        );
+        return QColor::fromRgb((foregroundAlpha * foreground.red()) + (inverseBackgroundAlpha * background.red()),
+                               (foregroundAlpha * foreground.green()) + (inverseBackgroundAlpha * background.green()),
+                               (foregroundAlpha * foreground.blue()) + (inverseBackgroundAlpha * background.blue()),
+                               finalAlpha);
     }
 }
 
-inline QColor accentBackground(const QColor& accent, const QColor& background)
+inline QColor accentBackground(const QColor &accent, const QColor &background)
 {
     auto c = accent;
     // light bg
     if (KColorUtils::luma(background) > 0.5) {
         c.setAlphaF(0.7);
     } else {
-    // dark bg
+        // dark bg
         c.setAlphaF(0.4);
     }
     return alphaBlend(c, background);
 }
 
-inline QColor accentForeground(const QColor& accent, const bool& isActive)
+inline QColor accentForeground(const QColor &accent, const bool &isActive)
 {
     auto c = QColor(Qt::white);
     // light bg
     if (KColorUtils::luma(accent) > 0.5) {
         c = QColor(Qt::black);
     } else {
-    // dark bg
+        // dark bg
         c = QColor(Qt::white);
     }
 
diff --git a/kcms/colors/editor/scmeditordialog.h b/kcms/colors/editor/scmeditordialog.h
index 7da0ee7a0..dd0b101ff 100644
--- a/kcms/colors/editor/scmeditordialog.h
+++ b/kcms/colors/editor/scmeditordialog.h
@@ -35,7 +35,6 @@ Q_SIGNALS:
 
 private Q_SLOTS:
 
-
     void on_buttonBox_clicked(QAbstractButton *button);
 
     void updateTabs(bool byUser = false);