diff --git a/coordinator/renderer.lua b/coordinator/renderer.lua
index ad275dc..d9e4b58 100644
--- a/coordinator/renderer.lua
+++ b/coordinator/renderer.lua
@@ -16,7 +16,6 @@ local unit_view  = require("coordinator.ui.layout.unit_view")
 
 local core       = require("graphics.core")
 local flasher    = require("graphics.flasher")
-local themes     = require("graphics.themes")
 
 local DisplayBox = require("graphics.elements.displaybox")
 
@@ -73,7 +72,7 @@ end
 -- apply renderer configurations
 ---@param config crd_config
 function renderer.configure(config)
-    style.set_themes(config.MainTheme, config.FrontPanelTheme, config.ColorMode ~= themes.COLOR_MODE.STANDARD)
+    style.set_themes(config.MainTheme, config.FrontPanelTheme, config.ColorMode)
 
     engine.color_mode = config.ColorMode
     engine.disable_flow_view = config.DisableFlowView
@@ -135,7 +134,7 @@ function renderer.try_start_fp()
         -- show front panel view on terminal
         status, msg = pcall(function ()
             engine.ui.front_panel = DisplayBox{window=term.native(),fg_bg=style.fp.root}
-            panel_view(engine.ui.front_panel, #engine.monitors.unit_displays, engine.color_mode)
+            panel_view(engine.ui.front_panel, #engine.monitors.unit_displays)
         end)
 
         if status then
diff --git a/coordinator/ui/layout/front_panel.lua b/coordinator/ui/layout/front_panel.lua
index 459a9f0..3e400d9 100644
--- a/coordinator/ui/layout/front_panel.lua
+++ b/coordinator/ui/layout/front_panel.lua
@@ -13,7 +13,6 @@ local style     = require("coordinator.ui.style")
 local pkt_entry = require("coordinator.ui.components.pkt_entry")
 
 local core      = require("graphics.core")
-local themes    = require("graphics.themes")
 
 local Div       = require("graphics.elements.div")
 local ListBox   = require("graphics.elements.listbox")
@@ -36,8 +35,7 @@ local led_grn = style.led_grn
 -- create new front panel view
 ---@param panel graphics_element main displaybox
 ---@param num_units integer number of units (number of unit monitors)
----@param color_mode COLOR_MODE color mode
-local function init(panel, num_units, color_mode)
+local function init(panel, num_units)
     local ps = iocontrol.get_db().fp.ps
 
     TextBox{parent=panel,y=1,text="SCADA COORDINATOR",alignment=ALIGN.CENTER,height=1,fg_bg=style.fp_theme.header}
@@ -61,7 +59,7 @@ local function init(panel, num_units, color_mode)
 
     local modem = LED{parent=system,label="MODEM",colors=led_grn}
 
-    if color_mode == themes.COLOR_MODE.STANDARD then
+    if not style.colorblind then
         local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.orange,colors.yellow,colors.gray}}
         network.update(types.PANEL_LINK_STATE.DISCONNECTED)
         network.register(ps, "link_state", network.update)
diff --git a/coordinator/ui/style.lua b/coordinator/ui/style.lua
index 920adfe..13379b7 100644
--- a/coordinator/ui/style.lua
+++ b/coordinator/ui/style.lua
@@ -84,12 +84,13 @@ local deepslate = {
 style.theme = smooth_stone
 
 -- set themes per configurations
----@param main integer main theme ID (1 = smooth_stone, 2 = deepslate)
----@param fp integer fp theme ID (1 = sandstone, 2 = basalt)
----@param colorblind boolean true if in a colorblind mode
-function style.set_themes(main, fp, colorblind)
-    style.ind_bkg = colors.gray
+---@param main UI_THEME main UI theme
+---@param fp FP_THEME front panel theme
+---@param color_mode COLOR_MODE the color mode to use
+function style.set_themes(main, fp, color_mode)
+    local colorblind = color_mode ~= themes.COLOR_MODE.STANDARD
 
+    style.ind_bkg = colors.gray
     style.ind_hi_box_bg = util.trinary(colorblind, colors.black, colors.gray)
 
     if main == themes.UI_THEME.SMOOTH_STONE then
@@ -100,6 +101,8 @@ function style.set_themes(main, fp, colorblind)
         style.ind_hi_box_bg = util.trinary(colorblind, colors.black, colors.lightGray)
     end
 
+    style.colorblind = colorblind
+
     style.root = cpair(style.theme.text, style.theme.bg)
     style.label = cpair(style.theme.label, style.theme.bg)
 
diff --git a/reactor-plc/panel/front_panel.lua b/reactor-plc/panel/front_panel.lua
index 5797c2b..c4ec184 100644
--- a/reactor-plc/panel/front_panel.lua
+++ b/reactor-plc/panel/front_panel.lua
@@ -36,8 +36,7 @@ local ind_red = style.ind_red
 
 -- create new front panel view
 ---@param panel graphics_element main displaybox
----@param color_mode COLOR_MODE color mode
-local function init(panel, color_mode)
+local function init(panel)
     local s_hi_box = style.theme.highlight_box
 
     local disabled_fg = style.fp.disabled_fg
@@ -61,7 +60,7 @@ local function init(panel, color_mode)
     local reactor = LEDPair{parent=system,label="REACTOR",off=colors.red,c1=colors.yellow,c2=colors.green}
     local modem = LED{parent=system,label="MODEM",colors=ind_grn}
 
-    if color_mode == themes.COLOR_MODE.STANDARD then
+    if not style.colorblind then
         local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.orange,colors.yellow,colors.gray}}
         network.update(types.PANEL_LINK_STATE.DISCONNECTED)
         network.register(databus.ps, "link_state", network.update)
diff --git a/reactor-plc/panel/style.lua b/reactor-plc/panel/style.lua
index 5aca524..08c1192 100644
--- a/reactor-plc/panel/style.lua
+++ b/reactor-plc/panel/style.lua
@@ -12,20 +12,24 @@ local cpair = core.cpair
 
 style.theme = themes.sandstone
 style.fp = themes.get_fp_style(style.theme)
+style.colorblind = false
 
 style.ind_grn = cpair(colors.green, colors.green_off)
 style.ind_red = cpair(colors.red, colors.red_off)
 
 -- set theme per configuration
----@param fp integer fp theme ID (1 = sandstone, 2 = basalt)
-function style.set_theme(fp)
-    if fp == 1 then
+---@param fp FP_THEME front panel theme
+---@param color_mode COLOR_MODE the color mode to use
+function style.set_theme(fp, color_mode)
+    if fp == themes.FP_THEME.SANDSTONE then
         style.theme = themes.sandstone
-    elseif fp == 2 then
+    elseif fp == themes.FP_THEME.BASALT then
         style.theme = themes.basalt
     end
 
     style.fp = themes.get_fp_style(style.theme)
+
+    style.colorblind = color_mode ~= themes.COLOR_MODE.STANDARD
 end
 
 return style
diff --git a/reactor-plc/renderer.lua b/reactor-plc/renderer.lua
index 8748cae..aa62e63 100644
--- a/reactor-plc/renderer.lua
+++ b/reactor-plc/renderer.lua
@@ -26,7 +26,7 @@ function renderer.try_start_ui(theme, color_mode)
 
     if ui.display == nil then
         -- set theme
-        style.set_theme(theme)
+        style.set_theme(theme, color_mode)
 
         -- reset terminal
         term.setTextColor(colors.white)
@@ -48,7 +48,7 @@ function renderer.try_start_ui(theme, color_mode)
         -- init front panel view
         status, msg = pcall(function ()
             ui.display = DisplayBox{window=term.current(),fg_bg=style.fp.root}
-            panel_view(ui.display, color_mode)
+            panel_view(ui.display)
         end)
 
         if status then
diff --git a/rtu/panel/front_panel.lua b/rtu/panel/front_panel.lua
index 36e72f4..a3e6169 100644
--- a/rtu/panel/front_panel.lua
+++ b/rtu/panel/front_panel.lua
@@ -32,8 +32,7 @@ local UNIT_TYPE_LABELS = { "UNKNOWN", "REDSTONE", "BOILER", "TURBINE", "DYNAMIC
 -- create new front panel view
 ---@param panel graphics_element main displaybox
 ---@param units table unit list
----@param color_mode COLOR_MODE color mode
-local function init(panel, units, color_mode)
+local function init(panel, units)
     local disabled_fg = style.fp.disabled_fg
 
     TextBox{parent=panel,y=1,text="RTU GATEWAY",alignment=ALIGN.CENTER,height=1,fg_bg=style.theme.header}
@@ -53,7 +52,7 @@ local function init(panel, units, color_mode)
 
     local modem = LED{parent=system,label="MODEM",colors=ind_grn}
 
-    if color_mode == themes.COLOR_MODE.STANDARD then
+    if not style.colorblind then
         local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.orange,colors.yellow,colors.gray}}
         network.update(types.PANEL_LINK_STATE.DISCONNECTED)
         network.register(databus.ps, "link_state", network.update)
diff --git a/rtu/panel/style.lua b/rtu/panel/style.lua
index 36fd542..a72df2a 100644
--- a/rtu/panel/style.lua
+++ b/rtu/panel/style.lua
@@ -12,19 +12,23 @@ local cpair = core.cpair
 
 style.theme = themes.sandstone
 style.fp = themes.get_fp_style(style.theme)
+style.colorblind = false
 
 style.ind_grn = cpair(colors.green, colors.green_off)
 
 -- set theme per configuration
----@param fp integer fp theme ID (1 = sandstone, 2 = basalt)
-function style.set_theme(fp)
-    if fp == 1 then
+---@param fp FP_THEME front panel theme
+---@param color_mode COLOR_MODE the color mode to use
+function style.set_theme(fp, color_mode)
+    if fp == themes.FP_THEME.SANDSTONE then
         style.theme = themes.sandstone
-    elseif fp == 2 then
+    elseif fp == themes.FP_THEME.BASALT then
         style.theme = themes.basalt
     end
 
     style.fp = themes.get_fp_style(style.theme)
+
+    style.colorblind = color_mode ~= themes.COLOR_MODE.STANDARD
 end
 
 return style
diff --git a/rtu/renderer.lua b/rtu/renderer.lua
index 8d56a40..bdbc25b 100644
--- a/rtu/renderer.lua
+++ b/rtu/renderer.lua
@@ -27,7 +27,7 @@ function renderer.try_start_ui(units, theme, color_mode)
 
     if ui.display == nil then
         -- set theme
-        style.set_theme(theme)
+        style.set_theme(theme, color_mode)
 
         -- reset terminal
         term.setTextColor(colors.white)
@@ -49,7 +49,7 @@ function renderer.try_start_ui(units, theme, color_mode)
         -- init front panel view
         status, msg = pcall(function ()
             ui.display = DisplayBox{window=term.current(),fg_bg=style.fp.root}
-            panel_view(ui.display, units, color_mode)
+            panel_view(ui.display, units)
         end)
 
         if status then
diff --git a/supervisor/panel/style.lua b/supervisor/panel/style.lua
index efcc9b7..4fe9cb4 100644
--- a/supervisor/panel/style.lua
+++ b/supervisor/panel/style.lua
@@ -12,19 +12,22 @@ local cpair = core.cpair
 
 style.theme = themes.sandstone
 style.fp = themes.get_fp_style(style.theme)
+style.colorblind = false
 
 style.ind_grn = cpair(colors.green, colors.green_off)
 
 -- set theme per configuration
----@param fp integer fp theme ID (1 = sandstone, 2 = basalt)
-function style.set_theme(fp)
-    if fp == 1 then
+---@param fp FP_THEME front panel theme
+function style.set_theme(fp, color_mode)
+    if fp == themes.FP_THEME.SANDSTONE then
         style.theme = themes.sandstone
-    elseif fp == 2 then
+    elseif fp == themes.FP_THEME.BASALT then
         style.theme = themes.basalt
     end
 
     style.fp = themes.get_fp_style(style.theme)
+
+    style.colorblind = color_mode ~= themes.COLOR_MODE.STANDARD
 end
 
 return style