UI defaults:

- moved some common properties from FlatLightLaf.properties and FlatDarkLaf.properties to FlatLaf.properties
- use color functions for more properties

flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatDarkLaf.properties

@@ -36,6 +36,12 @@
 @cellFocusColor = #000
 @icon = #adadad
 
+# for buttons within components (e.g. combobox or spinner)
+@buttonArrowColor = #9A9DA1
+@buttonDisabledArrowColor = darken(@buttonArrowColor,25%)
+@buttonHoverArrowColor = lighten(@buttonArrowColor,10%,derived noAutoInverse)
+@buttonPressedArrowColor = lighten(@buttonArrowColor,20%,derived noAutoInverse)
+
 # Drop (use lazy colors for IntelliJ platform themes, which usually do not specify these colors)
 @dropCellBackground = darken(List.selectionBackground,10%,lazy)
 @dropCellForeground = lazy(List.selectionForeground)
@@ -62,8 +68,8 @@ Button.selectedForeground = @foreground
 Button.disabledSelectedBackground = lighten($Button.background,3%,derived)
 
 Button.borderColor = #5e6060
-Button.disabledBorderColor = #5e6060
+Button.disabledBorderColor = $Button.borderColor
-Button.focusedBorderColor = #466d94
+Button.focusedBorderColor = $Component.focusedBorderColor
 Button.hoverBorderColor = $Button.focusedBorderColor
 
 Button.default.background = #365880
@@ -119,11 +125,7 @@ CheckBox.icon[filled].selectedPressedBackground = darken($CheckBox.icon[filled].
 
 #---- ComboBox ----
 
-ComboBox.buttonEditableBackground = #404445
+ComboBox.buttonEditableBackground = darken($ComboBox.background,2%)
-ComboBox.buttonArrowColor = #9A9DA1
-ComboBox.buttonDisabledArrowColor = darken($ComboBox.buttonArrowColor,25%)
-ComboBox.buttonHoverArrowColor = lighten($ComboBox.buttonArrowColor,10%,derived noAutoInverse)
-ComboBox.buttonPressedArrowColor = lighten($ComboBox.buttonArrowColor,20%,derived noAutoInverse)
 
 
 #---- Component ----
@@ -307,4 +309,4 @@ ToolTip.background = #1e2123
 
 #---- Tree ----
 
-Tree.hash = #505355
+Tree.hash = lighten($Tree.background,5%)

flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatLaf.properties

@@ -203,6 +203,10 @@ ComboBox.maximumRowCount = 15
 ComboBox.buttonStyle = auto
 ComboBox.background = @textComponentBackground
 ComboBox.buttonBackground = @textComponentBackground
+ComboBox.buttonArrowColor = @buttonArrowColor
+ComboBox.buttonDisabledArrowColor = @buttonDisabledArrowColor
+ComboBox.buttonHoverArrowColor = @buttonHoverArrowColor
+ComboBox.buttonPressedArrowColor = @buttonPressedArrowColor
 
 
 #---- Component ----
@@ -474,8 +478,8 @@ ScrollBar.hoverThumbWithTrack = false
 ScrollBar.pressedThumbWithTrack = false
 ScrollBar.showButtons = false
 ScrollBar.squareButtons = false
-ScrollBar.buttonArrowColor = $ComboBox.buttonArrowColor
+ScrollBar.buttonArrowColor = @buttonArrowColor
-ScrollBar.buttonDisabledArrowColor = $ComboBox.buttonDisabledArrowColor
+ScrollBar.buttonDisabledArrowColor = @buttonDisabledArrowColor
 ScrollBar.allowsAbsolutePositioning = true
 
 [mac]ScrollBar.minimumThumbSize = 18,18
@@ -516,10 +520,10 @@ Slider.focusWidth = 4
 Spinner.border = com.formdev.flatlaf.ui.FlatRoundBorder
 Spinner.background = @textComponentBackground
 Spinner.buttonBackground = $ComboBox.buttonEditableBackground
-Spinner.buttonArrowColor = $ComboBox.buttonArrowColor
+Spinner.buttonArrowColor = @buttonArrowColor
-Spinner.buttonDisabledArrowColor = $ComboBox.buttonDisabledArrowColor
+Spinner.buttonDisabledArrowColor = @buttonDisabledArrowColor
-Spinner.buttonHoverArrowColor = $ComboBox.buttonHoverArrowColor
+Spinner.buttonHoverArrowColor = @buttonHoverArrowColor
-Spinner.buttonPressedArrowColor = $ComboBox.buttonPressedArrowColor
+Spinner.buttonPressedArrowColor = @buttonPressedArrowColor
 Spinner.padding = @textComponentMargin
 Spinner.editorBorderPainted = false
 # allowed values: button or none
@@ -536,9 +540,9 @@ SplitPane.oneTouchButtonSize = {scaledInteger}6
 SplitPane.oneTouchButtonOffset = {scaledInteger}2
 
 SplitPaneDivider.border = null
-SplitPaneDivider.oneTouchArrowColor = $ComboBox.buttonArrowColor
+SplitPaneDivider.oneTouchArrowColor = @buttonArrowColor
-SplitPaneDivider.oneTouchHoverArrowColor = $ComboBox.buttonHoverArrowColor
+SplitPaneDivider.oneTouchHoverArrowColor = @buttonHoverArrowColor
-SplitPaneDivider.oneTouchPressedArrowColor = $ComboBox.buttonPressedArrowColor
+SplitPaneDivider.oneTouchPressedArrowColor = @buttonPressedArrowColor
 # allowed values: grip or plain
 SplitPaneDivider.style = grip
 SplitPaneDivider.gripColor = @icon

flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatLightLaf.properties

@@ -36,6 +36,12 @@
 @cellFocusColor = #000
 @icon = #afafaf
 
+# for buttons within components (e.g. combobox or spinner)
+@buttonArrowColor = #666
+@buttonDisabledArrowColor = lighten(@buttonArrowColor,25%)
+@buttonHoverArrowColor = lighten(@buttonArrowColor,20%,derived noAutoInverse)
+@buttonPressedArrowColor = lighten(@buttonArrowColor,30%,derived noAutoInverse)
+
 # Drop (use lazy colors for IntelliJ platform themes, which usually do not specify these colors)
 @dropCellBackground = lighten(List.selectionBackground,10%,lazy)
 @dropCellForeground = lazy(List.selectionForeground)
@@ -47,8 +53,8 @@
 
 activeCaption = #99b4d1
 inactiveCaption = #bfcddb
-controlHighlight = #e3e3e3
+controlHighlight = lighten($controlShadow,12%)
-controlLtHighlight = #fff
+controlLtHighlight = lighten($controlShadow,25%)
 controlDkShadow = darken($controlShadow,15%)
 
 
@@ -126,11 +132,7 @@ CheckBox.icon[filled].selectedPressedBackground = darken($CheckBox.icon[filled].
 
 #---- ComboBox ----
 
-ComboBox.buttonEditableBackground = #fafafa
+ComboBox.buttonEditableBackground = darken($ComboBox.background,2%)
-ComboBox.buttonArrowColor = #666
-ComboBox.buttonDisabledArrowColor = lighten($ComboBox.buttonArrowColor,25%)
-ComboBox.buttonHoverArrowColor = lighten($ComboBox.buttonArrowColor,20%,derived noAutoInverse)
-ComboBox.buttonPressedArrowColor = lighten($ComboBox.buttonArrowColor,30%,derived noAutoInverse)
 
 
 #---- Component ----
@@ -319,4 +321,4 @@ ToolTip.background = #fafafa
 
 #---- Tree ----
 
-Tree.hash = #E6E6E6
+Tree.hash = darken($Tree.background,10%)

flatlaf-testing/dumps/uidefaults/FlatDarkLaf_1.8.0_202.txt

@@ -1246,7 +1246,7 @@ Tree.editorBorder              [lazy] 1,1,1,1  false    com.formdev.flatlaf.ui.F
 Tree.expandedIcon              [lazy] 11,11    com.formdev.flatlaf.icons.FlatTreeExpandedIcon [UI]
 Tree.font                      [active] $defaultFont [UI]
 Tree.foreground                #bbbbbb    javax.swing.plaf.ColorUIResource [UI]
-Tree.hash                      #505355    javax.swing.plaf.ColorUIResource [UI]
+Tree.hash                      #515657    javax.swing.plaf.ColorUIResource [UI]
 Tree.icon.closedColor          #adadad    javax.swing.plaf.ColorUIResource [UI]
 Tree.icon.collapsedColor       #adadad    javax.swing.plaf.ColorUIResource [UI]
 Tree.icon.expandedColor        #adadad    javax.swing.plaf.ColorUIResource [UI]

flatlaf-testing/src/main/resources/com/formdev/flatlaf/testing/FlatTestLaf.properties

@@ -32,6 +32,12 @@
 @cellFocusColor = #f00
 @icon = #afafaf
 
+# for buttons within components (e.g. combobox or spinner)
+@buttonArrowColor = #666
+@buttonDisabledArrowColor = #ABABAB
+@buttonHoverArrowColor = #f00
+@buttonPressedArrowColor = #00f
+
 @dropCellBackground = #f00
 @dropCellForeground = #0f0
 @dropLineColor = #00f
@@ -118,10 +124,6 @@ CheckBox.icon.pressedBackground = #FFC800
 ComboBox.background = #fff
 ComboBox.buttonBackground = #f0f0f0
 ComboBox.buttonEditableBackground = #ccc
-ComboBox.buttonArrowColor = #666
-ComboBox.buttonDisabledArrowColor = #ABABAB
-ComboBox.buttonHoverArrowColor = #f00
-ComboBox.buttonPressedArrowColor = #00f
 
 
 #---- Component ----