Fixed foreground of selected togglebutton hard to read.

core/src/main/java/com/github/weisj/darklaf/ui/button/DarkButtonUI.java

@@ -122,7 +122,6 @@ public class DarkButtonUI extends BasicButtonUI implements PropertyChangeListene
         FontMetrics metrics = SwingUtilities2.getFontMetrics(c, g);
         int mnemonicIndex = button.getDisplayedMnemonicIndex();
         if (!model.isEnabled()) {
-            g.setColor(inactiveForeground);
             mnemonicIndex = -1;
         }
         SwingUtilities2.drawStringUnderlineCharAt(c, g, text, mnemonicIndex,
@@ -149,6 +148,9 @@ public class DarkButtonUI extends BasicButtonUI implements PropertyChangeListene
         if (fg instanceof UIResource && isDefaultButton(button) && !isShadowVariant(button)) {
             fg = defaultForeground;
         }
+        if (fg instanceof UIResource && !button.getModel().isEnabled()) {
+            fg = inactiveForeground;
+        }
         return fg;
     }
 

core/src/main/java/com/github/weisj/darklaf/ui/button/DarkToggleButtonUI.java

@@ -31,6 +31,7 @@ import sun.swing.SwingUtilities2;
 
 import javax.swing.*;
 import javax.swing.plaf.ComponentUI;
+import javax.swing.plaf.UIResource;
 import java.awt.*;
 import java.awt.geom.RoundRectangle2D;
 import java.beans.PropertyChangeListener;
@@ -77,6 +78,7 @@ public class DarkToggleButtonUI extends DarkButtonUI {
     protected Color inactiveSliderColor;
     protected Color sliderBorderColor;
     protected Color inactiveSliderBorderColor;
+    protected Color selectedForeground;
 
 
     public static ComponentUI createUI(final JComponent c) {
@@ -96,6 +98,7 @@ public class DarkToggleButtonUI extends DarkButtonUI {
         inactiveSliderColor = UIManager.getColor("ToggleButton.disabledSliderKnobFillColor");
         sliderBorderColor = UIManager.getColor("ToggleButton.sliderKnobBorderColor");
         inactiveSliderBorderColor = UIManager.getColor("ToggleButton.disabledSliderKnobBorderColor");
+        selectedForeground = UIManager.getColor("ToggleButton.selectedForeground");
     }
 
     @Override
@@ -115,6 +118,14 @@ public class DarkToggleButtonUI extends DarkButtonUI {
         }
     }
 
+    @Override
+    protected Color getForeground(final AbstractButton button) {
+        if (button.isSelected() && !isSlider(button) && button.getForeground() instanceof UIResource) {
+            return selectedForeground;
+        }
+        return super.getForeground(button);
+    }
+
     protected Color getBackgroundColor(final JComponent c) {
         AbstractButton b = (AbstractButton) c;
         boolean rollOver = (b.isRolloverEnabled() || doConvertToShadow(b)) && (((JButton) c).getModel().isRollover());

core/src/main/resources/com/github/weisj/darklaf/properties/ui/toggleButton.properties

@@ -31,6 +31,7 @@ ToggleButton.sliderKnobFillColor           = %controlFill
 ToggleButton.sliderKnobBorderColor         = %controlBorder
 ToggleButton.disabledSliderKnobFillColor   = %controlFillDisabled
 ToggleButton.disabledSliderKnobBorderColor = %controlFillDisabled
+ToggleButton.selectedForeground            = %textContrastForeground
 
 ToggleButton.inactiveFillColor             = %widgetFill
 ToggleButton.activeFillColor               = %textForegroundInactive