diff --git a/README.md b/README.md
index 2610159..db58857 100644
--- a/README.md
+++ b/README.md
@@ -177,4 +177,5 @@ Current set is WIP.
 * Doesn't work on windows
 * Missing C and mixed support
 * If no SDL or SDLGL-PP than screenshots or videos don't work
+* boot_exec_color_vdp does not work on MSX1 vdp
 
diff --git a/lib/make/mb_autoexec.mk b/lib/make/mb_autoexec.mk
index 0774715..1f2be72 100644
--- a/lib/make/mb_autoexec.mk
+++ b/lib/make/mb_autoexec.mk
@@ -51,7 +51,7 @@ define mb_autoexec_write_default
 	$(if $(filter 40,$(2)),$(call mb_autoexec_append_cmd,$(1),mode 40),$(call mb_autoexec_append_cmd,$(1),mode 80))
 	$(call mb_autoexec_append_echo,$(1),==== MSXBUILD ====)
 	$(if $(filter 40,$(2)),$(call mb_autoexec_append_echo,$(1),Boot mode 40),$(call mb_autoexec_append_echo,$(1),Boot mode 80))
-	$(call mb_autoexec_append_cmd,$(1),omsxctl boot_exec_color_dark)
+	$(call mb_autoexec_append_cmd,$(1),omsxctl boot_exec_color_vdp)
 	$(if $(filter on,$(MB_FLIGHT_VIDEO)),$(call mb_autoexec_append_save_video,$(1)))
 	$(call mb_autoexec_append_cmd,$(1),omsxctl fail_after $(MB_AUTOEXEC_STARTUP_TIMEOUT) seconds failed_exec $(MB_AUTOEXEC_STARTUP_EXITCODE))
 	$(if $(filter on,$(MB_AUTOEXEC_VERSION)),$(call mb_autoexec_append_cmd,$(1),ver))
diff --git a/lib/make/mb_openmsx.mk b/lib/make/mb_openmsx.mk
index 0e9d532..a999e88 100644
--- a/lib/make/mb_openmsx.mk
+++ b/lib/make/mb_openmsx.mk
@@ -9,6 +9,8 @@ MB_OPENMSX_SCALE_FACTOR  ?= 3
 MB_OPENMSX_THROTTLE      ?= off
 MB_OPENMSX_HEADLESS      ?= on
 MB_OPENMSX_RENDERER      ?= SDLGL-PP
+MB_OPENMSX_VDP_FG        ?= 151
+MB_OPENMSX_VDP_BG        ?= 000
 
 define mb_openmsx_setup
 	$(if $(wildcard $(1)-omsx),,$(call mb_mkdir,$(1)-omsx))
@@ -43,6 +45,8 @@ define _mb_openmsx_run
 	NF_PREFIX=$(MB_FLIGHT_PREFIX) \
 	NF_SEPERATOR=$(MB_FLIGHT_SEPERATOR) \
 	NF_RECORD_FLAG=$(MB_FLIGHT_RECORD_FLAG) \
+	VDP_FG=$(MB_OPENMSX_VDP_FG) \
+	VDP_BG=$(MB_OPENMSX_VDP_BG) \
 	OPENMSX_HOME="$(1)-omsx" \
 	$(PATH_OPENMSX)/openmsx \
 		-machine $(2) \
diff --git a/lib/openmsx/share/scripts/boot_exec.tcl b/lib/openmsx/share/scripts/boot_exec.tcl
index 1663d60..1eb39d9 100644
--- a/lib/openmsx/share/scripts/boot_exec.tcl
+++ b/lib/openmsx/share/scripts/boot_exec.tcl
@@ -1,6 +1,6 @@
-# boot_exec -- Helper command to autoexec.bat boot scripts.
+# boot_exec -- Helper commands to autoexec.bat boot scripts.
 #
-# Adds the following command to openMSX;
+# Adds the following commands to openMSX;
 #
 # 'boot_exec_color_dark'
 # Sets the VDP colors to dark color tones.
@@ -8,11 +8,24 @@
 # 'boot_exec_config_info'
 # Displays machine and openMSX version on one line.
 #
+# Supported environment variables by this script;
+#
+# VDP_FG=111
+# Override the default vdp foreground color.
+#
+# VDP_BG=369
+# Override the default vdp background color.
+#
 
-proc boot_exec_color_dark {} {
-	setcolor 4 000
-	setcolor 15 777
-	return "Boot color dark"
+set boot_exec_color_vdp_fg "777"
+set boot_exec_color_vdp_bg "000"
+
+proc boot_exec_color_vdp {} {
+	global boot_exec_color_vdp_fg
+	global boot_exec_color_vdp_bg
+	setcolor 15 $boot_exec_color_vdp_fg
+	setcolor 4 $boot_exec_color_vdp_bg
+	return "Boot color vdp fg $boot_exec_color_vdp_fg bg $boot_exec_color_vdp_bg"
 }
 
 proc boot_exec_config_info {} {
@@ -22,3 +35,11 @@ proc boot_exec_config_info {} {
 	append result [openmsx_info version]
 	return $result
 }
+
+if {[info exists ::env(VDP_FG)] && ([string trim $::env(VDP_FG)] != "")} {
+	set boot_exec_color_vdp_fg [string trim $::env(VDP_FG)]
+}
+
+if {[info exists ::env(VDP_BG)] && ([string trim $::env(VDP_BG)] != "")} {
+	set boot_exec_color_vdp_bg [string trim $::env(VDP_BG)]
+}
diff --git a/lib/openmsx/share/scripts/night_flight.tcl b/lib/openmsx/share/scripts/night_flight.tcl
index cbe9fc5..b679b64 100644
--- a/lib/openmsx/share/scripts/night_flight.tcl
+++ b/lib/openmsx/share/scripts/night_flight.tcl
@@ -1,6 +1,6 @@
 # night_flight -- Setup the travel for night flight black box recorder for build pipelines.
 #
-# Adds the following command to openMSX;
+# Adds the following commands to openMSX;
 #
 # 'night_flight_save_screenshot'
 # Takes an screenshot with optional prefix parameter.