diff --git a/graphics/elements/indicators/trilight.lua b/graphics/elements/indicators/trilight.lua
index d73516f..df09e51 100644
--- a/graphics/elements/indicators/trilight.lua
+++ b/graphics/elements/indicators/trilight.lua
@@ -4,7 +4,6 @@ local element = require("graphics.element")
 
 ---@class tristate_indicator_light_args
 ---@field label string indicator label
----@field c_off color color for off
 ---@field c1 color color for state 1
 ---@field c2 color color for state 2
 ---@field c3 color color for state 3
@@ -20,7 +19,6 @@ local element = require("graphics.element")
 ---@return graphics_element element, element_id id
 local function tristate_indicator_light(args)
     assert(type(args.label) == "string", "graphics.elements.indicators.trilight: label is a required field")
-    assert(type(args.c_off) == "integer", "graphics.elements.indicators.trilight: c_off is a required field")
     assert(type(args.c1) == "integer", "graphics.elements.indicators.trilight: c1 is a required field")
     assert(type(args.c2) == "integer", "graphics.elements.indicators.trilight: c2 is a required field")
     assert(type(args.c3) == "integer", "graphics.elements.indicators.trilight: c3 is a required field")
@@ -32,7 +30,6 @@ local function tristate_indicator_light(args)
     args.width = math.max(args.min_label_width or 1, string.len(args.label)) + 2
 
     -- blit translations
-    local c_off colors.toBlit(args.c_off)
     local c1 colors.toBlit(args.c1)
     local c2 colors.toBlit(args.c2)
     local c3 colors.toBlit(args.c3)
@@ -44,14 +41,12 @@ local function tristate_indicator_light(args)
     ---@param new_state integer indicator state
     function e.on_update(new_state)
         e.window.setCursorPos(1, 1)
-        if new_state == 1 then
-            e.window.blit(" \x95", "0" .. c1, c1 .. e.fg_bg.blit_bkg)
-        elseif new_state == 2 then
+        if new_state == 2 then
             e.window.blit(" \x95", "0" .. c2, c2 .. e.fg_bg.blit_bkg)
         elseif new_state == 3 then
             e.window.blit(" \x95", "0" .. c3, c3 .. e.fg_bg.blit_bkg)
         else
-            e.window.blit(" \x95", "0" ..c_off, c_off .. e.fg_bg.blit_bkg)
+            e.window.blit(" \x95", "0" .. c1, c1 .. e.fg_bg.blit_bkg)
         end
     end