Export Xresources colors, use these in i3blocks

.scripts/wm/battery.sh

@@ -12,7 +12,7 @@ else
 	TIME=""
 fi
 
-COLOR="#FFFFFF"
+COLOR="$COLOR15"
 if [ "$(echo $BAT_INFO | awk '{ print $6 }')" = "remaining" ]; then
 	if [ "$CAPACITY" -ge "80" ]; then
 		ICON=""
@@ -24,7 +24,7 @@ if [ "$(echo $BAT_INFO | awk '{ print $6 }')" = "remaining" ]; then
 		ICON=""
 	else
 		ICON=""
-		COLOR="#DC7A43"
+		COLOR="$COLOR9"
 
 		notify-send -u critical -r 1 "Battery critically low!"
 	fi

.scripts/wm/brightness.sh

@@ -16,5 +16,6 @@ else
 	ICON=""
 fi
 
-echo $ICON $PERCENTAGE%
-
+echo "$ICON $PERCENTAGE%"
+echo "$ICON $PERCENTAGE%"
+echo "$COLOR15"

.scripts/wm/iface.sh

@@ -7,7 +7,7 @@ echo ""
 if [ ! -d /sys/class/net/${WIRED} ] ||
 	[ "$(cat /sys/class/net/$WIRED/operstate)" = 'down' ] ||
 	[ "$(ip a | grep $WIRED | awk '/inet / {print $2}')" = "" ]; then
-	echo "#676E7D"
+	echo "$COLOR7"
 else
-	echo "#FFFFFF"
+	echo "$COLOR15"
 fi

.scripts/wm/volume.sh

@@ -11,11 +11,11 @@ case $BLOCK_BUTTON in
 esac
 
 if [ "$($MEDIACONTROL getmute)" == "0" ]; then
-	COLOR="#676E7D"
+	COLOR="$COLOR7"
 	VOLUME="MUTE"
 	SYMBOL=""
 else
-	COLOR="#FFF"
+	COLOR="$COLOR15"
 	VOLUME="$($MEDIACONTROL getvolume)%"
 
 	if [ "${VOLUME%?}" -ge "50" ]; then
@@ -27,4 +27,4 @@ else
 	fi
 fi
 
-echo "<span color='$COLOR'>$SYMBOL</span> $VOLUME"
+echo "<span color='$COLOR'>$SYMBOL $VOLUME</span>"

.scripts/wm/wifi.sh

@@ -2,19 +2,21 @@
 
 WIRELESS="${BLOCK_INSTANCE:-wlan0}"
 
+ICON=""
 if [ ! -d /sys/class/net/${WIRELESS}/wireless ] ||
 	[ "$(cat /sys/class/net/$WIRELESS/operstate)" = 'down' ]; then
-	echo ""
-	echo ""
-	echo "#676E7D"
+
+	echo "$ICON"
+	echo "$ICON"
+	echo "$COLOR7"
 else
 	SSID="$(iw dev $WIRELESS link | awk '/SSID/ { print $2 }')"
 	QUALITY=$(grep $WIRELESS /proc/net/wireless | \
 		awk '{ print int($3 * 100 / 70) }')
 
-	echo " $QUALITY%"
-	echo " $QUALITY%"
-	echo "#FFFFFF"
+	echo "$ICON $QUALITY%"
+	echo "$ICON $QUALITY%"
+	echo "$COLOR15"
 fi
 
 notify() {