diff --git a/java/res/values/attrs.xml b/java/res/values/attrs.xml
index 79cc139..701d195 100644
--- a/java/res/values/attrs.xml
+++ b/java/res/values/attrs.xml
@@ -311,6 +311,9 @@
             <flag name="shiftedLetterActivated" value="0x20000" />
             <!-- If true, use EditorInfo.actionLabel for the key label. -->
             <flag name="fromCustomActionLabel" value="0x40000" />
+            <!-- If true, use functionalTextColor instead of ketTextColor to drawing the label on
+                 the key -->
+            <flag name="followFunctionalTextColor" value="0x80000" />
             <!-- If true, disable keyHintLabel. -->
             <flag name="disableKeyHintLabel" value="0x40000000" />
             <!-- If true, disable additionalMoreKeys. -->
@@ -367,6 +370,8 @@
         <attr name="keyTextShadowColor" format="color" />
         <!-- Color to use for the label in a key when in inactivated state. -->
         <attr name="keyTextInactivatedColor" format="color" />
+        <!-- Color to use for the label in a key that has followFunctionalTextColor keyLabelFlags. -->
+        <attr name="functionalTextColor" format="color" />
         <!-- Key hint letter (= one character hint label) color -->
         <attr name="keyHintLetterColor" format="color" />
         <!-- Key hint label color -->
diff --git a/java/res/values/themes-ics.xml b/java/res/values/themes-ics.xml
index 560cfc5..79f9036 100644
--- a/java/res/values/themes-ics.xml
+++ b/java/res/values/themes-ics.xml
@@ -53,6 +53,7 @@
         <item name="keyTypeface">bold</item>
         <item name="keyTextColor">@color/key_text_color_holo</item>
         <item name="keyTextInactivatedColor">@color/key_text_inactivated_color_holo</item>
+        <item name="functionalTextColor">@color/key_text_color_holo</item>
         <item name="keyHintLetterColor">@color/key_hint_letter_color_holo</item>
         <item name="keyHintLabelColor">@color/key_hint_label_color_holo</item>
         <item name="keyShiftedLetterHintInactivatedColor">@color/key_shifted_letter_hint_inactivated_color_holo</item>
diff --git a/java/res/values/themes-klp.xml b/java/res/values/themes-klp.xml
index 453e5cb..dfeca1c 100644
--- a/java/res/values/themes-klp.xml
+++ b/java/res/values/themes-klp.xml
@@ -53,6 +53,7 @@
         <item name="keyTypeface">bold</item>
         <item name="keyTextColor">@color/key_text_color_holo</item>
         <item name="keyTextInactivatedColor">@color/key_text_inactivated_color_holo</item>
+        <item name="functionalTextColor">@color/key_text_color_holo</item>
         <item name="keyHintLetterColor">@color/key_hint_letter_color_holo</item>
         <item name="keyHintLabelColor">@color/key_hint_label_color_holo</item>
         <item name="keyShiftedLetterHintInactivatedColor">@color/key_shifted_letter_hint_inactivated_color_holo</item>
diff --git a/java/res/values/themes-lxx.xml b/java/res/values/themes-lxx.xml
index 4f3ee80..899d26a 100644
--- a/java/res/values/themes-lxx.xml
+++ b/java/res/values/themes-lxx.xml
@@ -53,6 +53,7 @@
         <item name="keyTypeface">bold</item>
         <item name="keyTextColor">@color/key_text_color_holo</item>
         <item name="keyTextInactivatedColor">@color/key_text_inactive_color_lxx</item>
+        <item name="functionalTextColor">@color/key_hint_letter_color_lxx</item>
         <item name="keyHintLetterColor">@color/key_hint_letter_color_lxx</item>
         <item name="keyHintLabelColor">@color/key_text_inactive_color_lxx</item>
         <item name="keyShiftedLetterHintInactivatedColor">@color/key_text_inactive_color_lxx</item>
diff --git a/java/res/xml-sw600dp/key_styles_common.xml b/java/res/xml-sw600dp/key_styles_common.xml
index f9b959b..35b3576 100644
--- a/java/res/xml-sw600dp/key_styles_common.xml
+++ b/java/res/xml-sw600dp/key_styles_common.xml
@@ -140,7 +140,7 @@
     </switch>
     <key-style
         latin:styleName="baseForLayoutSwitchKeyStyle"
-        latin:keyLabelFlags="preserveCase"
+        latin:keyLabelFlags="preserveCase|followFunctionalTextColor"
         latin:keyActionFlags="noKeyPreview"
         latin:backgroundType="functional" />
     <key-style
diff --git a/java/res/xml-sw600dp/key_styles_enter.xml b/java/res/xml-sw600dp/key_styles_enter.xml
index 99ac108..742bb3e 100644
--- a/java/res/xml-sw600dp/key_styles_enter.xml
+++ b/java/res/xml-sw600dp/key_styles_enter.xml
@@ -100,7 +100,7 @@
     <key-style
         latin:styleName="defaultEnterKeyStyle"
         latin:keySpec="!icon/enter_key|!code/key_enter"
-        latin:keyLabelFlags="preserveCase|autoXScale|followKeyLabelRatio"
+        latin:keyLabelFlags="preserveCase|autoXScale|followKeyLabelRatio|followFunctionalTextColor"
         latin:keyActionFlags="noKeyPreview"
         latin:backgroundType="functional"
         latin:parentStyle="navigateMoreKeysStyle" />
diff --git a/java/res/xml/key_styles_common.xml b/java/res/xml/key_styles_common.xml
index 773995f..f8b4a2a 100644
--- a/java/res/xml/key_styles_common.xml
+++ b/java/res/xml/key_styles_common.xml
@@ -128,7 +128,7 @@
         latin:keyIconPreview="!icon/tab_key_preview" />
     <key-style
         latin:styleName="baseForLayoutSwitchKeyStyle"
-        latin:keyLabelFlags="preserveCase"
+        latin:keyLabelFlags="preserveCase|followFunctionalTextColor"
         latin:keyActionFlags="noKeyPreview"
         latin:backgroundType="functional" />
     <key-style
diff --git a/java/res/xml/key_styles_enter.xml b/java/res/xml/key_styles_enter.xml
index 8bba136..1d46dd5 100644
--- a/java/res/xml/key_styles_enter.xml
+++ b/java/res/xml/key_styles_enter.xml
@@ -255,7 +255,7 @@
     <!-- Enter key style -->
     <key-style
         latin:styleName="defaultEnterKeyStyle"
-        latin:keyLabelFlags="preserveCase|autoXScale|followKeyLabelRatio"
+        latin:keyLabelFlags="preserveCase|autoXScale|followKeyLabelRatio|followFunctionalTextColor"
         latin:keyActionFlags="noKeyPreview"
         latin:backgroundType="functional"
         latin:parentStyle="navigateMoreKeysStyle" />
diff --git a/java/res/xml/key_styles_number.xml b/java/res/xml/key_styles_number.xml
index 5c108cf..df4448c 100644
--- a/java/res/xml/key_styles_number.xml
+++ b/java/res/xml/key_styles_number.xml
@@ -30,7 +30,7 @@
         latin:parentStyle="numKeyBaseStyle" />
     <key-style
         latin:styleName="numModeKeyStyle"
-        latin:keyLabelFlags="fontNormal|followKeyLetterRatio"
+        latin:keyLabelFlags="fontNormal|followKeyLetterRatio|followFunctionalTextColor"
         latin:parentStyle="numKeyBaseStyle" />
     <key-style
         latin:styleName="numFunctionalKeyStyle"