diff --git a/coordinator/ui/layout/front_panel.lua b/coordinator/ui/layout/front_panel.lua
index ebaba12..d23712b 100644
--- a/coordinator/ui/layout/front_panel.lua
+++ b/coordinator/ui/layout/front_panel.lua
@@ -61,12 +61,12 @@ local function init(panel, num_units)
     local modem = LED{parent=system,label="MODEM",colors=led_grn}
 
     if not style.colorblind then
-        local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.orange,colors.yellow,colors.gray}}
+        local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.orange,colors.yellow,style.ind_bkg}}
         network.update(types.PANEL_LINK_STATE.DISCONNECTED)
         network.register(ps, "link_state", network.update)
     else
-        local nt_lnk = LEDPair{parent=system,label="NT LINKED",off=colors.black,c1=colors.red,c2=colors.green}
-        local nt_ver = LEDPair{parent=system,label="NT VERSION",off=colors.black,c1=colors.red,c2=colors.green}
+        local nt_lnk = LEDPair{parent=system,label="NT LINKED",off=style.ind_bkg,c1=colors.red,c2=colors.green}
+        local nt_ver = LEDPair{parent=system,label="NT VERSION",off=style.ind_bkg,c1=colors.red,c2=colors.green}
 
         nt_lnk.register(ps, "link_state", function (state)
             local value = 2
diff --git a/reactor-plc/panel/front_panel.lua b/reactor-plc/panel/front_panel.lua
index 67b886f..ee2f3ed 100644
--- a/reactor-plc/panel/front_panel.lua
+++ b/reactor-plc/panel/front_panel.lua
@@ -60,12 +60,12 @@ local function init(panel)
     local modem = LED{parent=system,label="MODEM",colors=ind_grn}
 
     if not style.colorblind then
-        local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.orange,colors.yellow,colors.gray}}
+        local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.orange,colors.yellow,style.ind_bkg}}
         network.update(types.PANEL_LINK_STATE.DISCONNECTED)
         network.register(databus.ps, "link_state", network.update)
     else
-        local nt_lnk = LEDPair{parent=system,label="NT LINKED",off=colors.black,c1=colors.red,c2=colors.green}
-        local nt_ver = LEDPair{parent=system,label="NT VERSION",off=colors.black,c1=colors.red,c2=colors.green}
+        local nt_lnk = LEDPair{parent=system,label="NT LINKED",off=style.ind_bkg,c1=colors.red,c2=colors.green}
+        local nt_ver = LEDPair{parent=system,label="NT VERSION",off=style.ind_bkg,c1=colors.red,c2=colors.green}
         local nt_col = LED{parent=system,label="NT COLLISION",colors=ind_red}
 
         nt_lnk.register(databus.ps, "link_state", function (state)
diff --git a/reactor-plc/panel/style.lua b/reactor-plc/panel/style.lua
index 08c1192..7f5661f 100644
--- a/reactor-plc/panel/style.lua
+++ b/reactor-plc/panel/style.lua
@@ -2,6 +2,8 @@
 -- Graphics Style Options
 --
 
+local util   = require("scada-common.util")
+
 local core   = require("graphics.core")
 local themes = require("graphics.themes")
 
@@ -30,6 +32,8 @@ function style.set_theme(fp, color_mode)
     style.fp = themes.get_fp_style(style.theme)
 
     style.colorblind = color_mode ~= themes.COLOR_MODE.STANDARD
+
+    style.ind_bkg = util.trinary(style.colorblind and (color_mode ~= themes.COLOR_MODE.BLUE_IND), colors.black, colors.gray)
 end
 
 return style
diff --git a/rtu/panel/front_panel.lua b/rtu/panel/front_panel.lua
index a1a72b9..738ccca 100644
--- a/rtu/panel/front_panel.lua
+++ b/rtu/panel/front_panel.lua
@@ -53,12 +53,12 @@ local function init(panel, units)
     local modem = LED{parent=system,label="MODEM",colors=ind_grn}
 
     if not style.colorblind then
-        local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.orange,colors.yellow,colors.gray}}
+        local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.orange,colors.yellow,style.ind_bkg}}
         network.update(types.PANEL_LINK_STATE.DISCONNECTED)
         network.register(databus.ps, "link_state", network.update)
     else
-        local nt_lnk = LEDPair{parent=system,label="NT LINKED",off=colors.black,c1=colors.red,c2=colors.green}
-        local nt_ver = LEDPair{parent=system,label="NT VERSION",off=colors.black,c1=colors.red,c2=colors.green}
+        local nt_lnk = LEDPair{parent=system,label="NT LINKED",off=style.ind_bkg,c1=colors.red,c2=colors.green}
+        local nt_ver = LEDPair{parent=system,label="NT VERSION",off=style.ind_bkg,c1=colors.red,c2=colors.green}
 
         nt_lnk.register(databus.ps, "link_state", function (state)
             local value = 2
diff --git a/rtu/panel/style.lua b/rtu/panel/style.lua
index a72df2a..fd5eaf4 100644
--- a/rtu/panel/style.lua
+++ b/rtu/panel/style.lua
@@ -2,6 +2,8 @@
 -- Graphics Style Options
 --
 
+local util   = require("scada-common.util")
+
 local core   = require("graphics.core")
 local themes = require("graphics.themes")
 
@@ -29,6 +31,8 @@ function style.set_theme(fp, color_mode)
     style.fp = themes.get_fp_style(style.theme)
 
     style.colorblind = color_mode ~= themes.COLOR_MODE.STANDARD
+
+    style.ind_bkg = util.trinary(style.colorblind and (color_mode ~= themes.COLOR_MODE.BLUE_IND), colors.black, colors.gray)
 end
 
 return style