diff --git a/src/gruvbox-main.sh b/src/gruvbox-main.sh
index 271bc42..19218d8 100755
--- a/src/gruvbox-main.sh
+++ b/src/gruvbox-main.sh
@@ -3,25 +3,79 @@
 SCRIPT_SRC="$(dirname "${BASH_SOURCE[${#BASH_SOURCE[@]} - 1]}")"
 readonly SCRIPT_SRC
 CURRENT_DIR=$(cd "${SCRIPT_SRC}" >/dev/null 2>&1 && pwd) readonly CURRENT_DIR
-readonly THEME_OPTION="@tmux-gruvbox"
-readonly DEFAULT_THEME="dark"
+readonly CURRENT_DIR
 
-get_theme() {
-  local option="$1"
-  local default_value="$2"
-  local option_value
-  option_value=$(tmux show-option -gqv "$option")
-  if [ -z "$option_value" ]; then
-    echo "$default_value"
-  else
-    echo "$option_value"
-  fi
-}
+# hold the array of all command to configure tmux theme
+declate -a TMUX_CMDS
+
+# load libraries
+source "${CURRENT_DIR}/src/helper_methods.sh"
+source "${CURRENT_DIR}/src/tmux_utils.sh"
+source "${CURRENT_DIR}/src/theme_gruvbox_dark.sh"
+
+readonly TMUX_GRUVBOX="@tmux-gruvbox"
+readonly TMUX_GRUVBOX_THEME="@tmux-gruvbox-theme"
+readonly TMUX_GRUVBOX_LEFT_STATUS="@tmux-gruvbox-left-status"
+readonly TMUX_GRUVBOX_RIGHT_STAUTS="@tmux-gruvbox-right-status"
+readonly TMUX_GRUVBOX_WINDOW_STATUS_CURRENT_FORMAT="@tmux-gruvbox-window-status-current-format"
+readonly TMUX_GRUVBOX_WINDOW_STATUS_FORMAT="@tmux-gruvbox-window-status-format"
+
+# define the reference names for further custom options
+tmux_append_seto "${TMUX_GRUVBOX}"
+tmux_append_seto "${TMUX_GRUVBOX_THEME}"
+tmux_append_seto "${TMUX_GRUVBOX_LEFT_STATUS}"
+tmux_append_seto "${TMUX_GRUVBOX_RIGHT_STAUTS}"
+tmux_append_seto "${TMUX_GRUVBOX_WINDOW_STATUS_CURRENT_FORMAT}"
+tmux_append_seto "${TMUX_GRUVBOX_WINDOW_STATUS_FORMAT}"
+
+print_array TMUX_CMDS  # print options
+tmux "${TMUX_CMDS[@]}" # execute options
+TMUX_CMDS=()           # clean
 
 main() {
-  local theme
-  theme=$(get_theme "$THEME_OPTION" "$DEFAULT_THEME")
-  tmux source-file "$CURRENT_DIR/tmux-gruvbox-${theme}.conf"
+  local _theme
+  _theme=$(tmux_get_option "$TMUX_GRUVBOX" "$DEFAULT_THEME")
+
+  # load proper palette for the theme soon to avoid additional variable interpolation
+  case $_theme in
+  light)
+    source "${CURRENT_DIR}/src/palette_gruvbox_light.sh"
+    ;;
+  dark | *)
+    source "${CURRENT_DIR}/src/palette_gruvbox_dark.sh"
+    ;;
+  esac
+
+  # defaults for theme option
+  DEFAULT_THEME="dark"
+  DEFAULT_LEFT_STATUS="#[bg=${col_bg3},fg=${col_fg3}] #S #[bg=${col_bg1},fg=${col_bg3},nobold,noitalics,nounderscore]"
+  DEFAULT_RIGHT_STATUS="#[bg=${col_bg1},fg=${col_bg2},nobold,nounderscore,noitalics]#[bg=${col_bg2},fg=${col_fg4}] %Y-%m-%d  %H:%M #[bg=${col_bg2},fg=${col_fg3},nobold,noitalics,nounderscore]#[bg=${col_fg3},fg=${col_bg1}] #h #{tmux_mode_indicator}"
+  DEFAULT_WINDOW_STATUS_CURRENT_FORMAT="#[bg=${col_yellow2},fg=${col_bg1},nobold,noitalics,nounderscore]#[bg=${col_yellow2},fg=${col_bg2}] #I #[bg=${col_yellow2},fg=${col_bg2},bold] #W#{?window_zoomed_flag,*Z,} #[bg=${col_bg1},fg=${col_yellow2},nobold,noitalics,nounderscore]"
+  DEFAULT_WINDOW_STATUS_FORMAT="#[bg=${col_bg2},fg=${col_bg1},noitalics]#[bg=${col_bg2},fg=${col_fg1}] #I #[bg=${col_bg2},fg=${col_fg1}] #W #[bg=${col_bg1},fg=${col_bg2},noitalics]"
+
+  _status_left=$(tmux_get_option "$TMUX_GRUVBOX_LEFT_STATUS" "$DEFAULT_LEFT_STATUS")
+  _status_right=$(tmux_get_option "$TMUX_GRUVBOX_RIGHT_STAUTS" "$DEFAULT_RIGHT_STATUS")
+  _window_status_current_format=$(tmux_get_option "$TMUX_GRUVBOX_WINDOW_STATUS_CURRENT_FORMAT" "$DEFAULT_WINDOW_STATUS_CURRENT_FORMAT")
+  _window_status_format=$(tmux_get_option "$TMUX_GRUVBOX_WINDOW_STATUS_FORMAT" "$DEFAULT_WINDOW_STATUS_FORMAT")
+
+  theme_args=(
+    "$_status_left"
+    "$_status_right"
+    "$_window_status_current_format"
+    "$_window_status_format"
+  )
+
+  case $_theme in
+  light)
+    set_light_theme "${theme_args[@]}"
+    ;;
+  dark | *)
+    set_dark_theme "${theme_args[@]}"
+    ;;
+  esac
+
+  # execute commands with tmux as array of options
+  tmux "${TMUX_CMDS[@]}"
 }
 
 main "$@"
diff --git a/src/helper_methods.sh b/src/helper_methods.sh
new file mode 100644
index 0000000..175a5a3
--- /dev/null
+++ b/src/helper_methods.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# simply print passed array
+#
+# example
+#
+#   myarray=()
+#   print_array myarray
+#
+print_array() {
+  local -n arr # -n available over bash 4.3
+  arr=$1
+
+  echo ""
+  echo "begin >>>"
+  printf "%s\n" "${arr[@]}"
+  echo "<<< end"
+  echo ""
+}
diff --git a/src/theme_gruvbox_dark.sh b/src/theme_gruvbox_dark.sh
new file mode 100644
index 0000000..4ae4a3d
--- /dev/null
+++ b/src/theme_gruvbox_dark.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+
+# themes may use different colors in sets therefore we setup dark and light separately
+set_dark_theme() {
+  local _left_status_value _right_status_value _window_status_current_format
+  _left_status_value=$1
+  _right_status_value=$2
+  _window_status_current_format=$3
+  _window_status_format=$4
+
+  tmux_append_seto "status" "on"
+
+  # default statusbar color
+  tmux_append_seto "status-style" "bg=${col_bg1},fg=${col_fg1}"
+
+  # default window title colors
+  tmux_append_setwo "window-status-style" "bg=${col_yellow2},fg=${col_bg1}"
+
+  # default window with an activity alert
+  tmux_append_setwo "window-status-activity-style" "bg=${col_bg1},fg=${col_fg3}"
+
+  # active window title colors
+  tmux_append_setwo "window-status-current-style" "bg=default,fg=${col_bg1}" # TODO cosider removing red!
+
+  # pane border
+  tmux_append_seto "pane-active-border-style" "fg=${col_fg2}"
+  tmux_append_seto "pane-border-style" "fg=${col_bg1}"
+
+  # message infos
+  tmux_append_seto "message-style" "bg=${col_bg2},fg=${col_fg1}"
+
+  # writing commands inactive
+  tmux_append_seto "message-command-style" "bg=${col_fg3},fg=${col_bg1}"
+
+  # pane number display
+  tmux_append_seto "display-panes-active-colour" "${col_fg2}"
+  tmux_append_seto "display-panes-colour" "${col_bg1}"
+
+  # clock
+  tmux_append_setwo "clock-mode-colour" "${col_blue2}"
+
+  # bell
+  tmux_append_setwo "window-status-bell-style" "bg=${col_red2},fg=${col_bg}"
+
+  ## Theme settings mixed with colors (unfortunately, but there is no cleaner way)
+  tmux_append_seto "status-justify" "left"
+  tmux_append_seto "status-left-style" none
+  tmux_append_seto "status-left-length" "80"
+  tmux_append_seto "status-right-style" none
+  tmux_append_seto "status-right-length" "80"
+  tmux_append_setwo "window-status-separator" ""
+
+  tmux_append_seto "status-left" "${_left_status_value}"
+  tmux_append_seto "status-right" "${_right_status_value}"
+
+  tmux_append_setwo "window-status-current-format" "${_window_status_current_format}"
+  tmux_append_setwo "window-status-format" "${_window_status_format}"
+}
diff --git a/src/tmux_utils.sh b/src/tmux_utils.sh
new file mode 100644
index 0000000..6e2ae12
--- /dev/null
+++ b/src/tmux_utils.sh
@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# get desired option from tmux or default
+tmux_get_option() {
+  local _option _default_value
+  _option="$1"
+  _default_value="$2"
+
+  local _option_value
+  _option_value=$(tmux show-option -gqv "$_option")
+  if [ -z "$_option_value" ]; then
+    echo "$_default_value"
+  else
+    echo "$_option_value"
+  fi
+}
+
+# append preconfigured tmux set-option to global array
+tmux_append_seto() {
+  local _option _value _result
+  _option="$1"
+  _value="$2"
+  TMUX_CMDS+=("set-option" "-gq" "${_option}" "${_value}" ";")
+  # _retult=("set-option -gq" "${_option}" "${_value}" ";")
+  # echo "${_retult[*]}"
+}
+
+# append preconfigured tmux set-window-option to global array
+tmux_append_setwo() {
+  local _option _value _result
+  _option="$1"
+  _value="$2"
+  TMUX_CMDS+=("set-window-option" "-gq" "${_option}" "${_value}" ";")
+  # _retult=("set-window-option -gq" "${_option}" "${_value}" ";")
+  # echo "${_retult[*]}"
+}
diff --git a/tmux-gruvbox-dark.conf b/tmux-gruvbox-dark.conf
index 8d86699..93700c5 100644
--- a/tmux-gruvbox-dark.conf
+++ b/tmux-gruvbox-dark.conf
@@ -42,7 +42,7 @@ set-option -g status-right-length "80"
 set-window-option -g window-status-separator ""
 
 set-option -g status-left "#[bg=colour241,fg=colour248] #S #[bg=colour237,fg=colour241,nobold,noitalics,nounderscore]"
-set-option -g status-right "#[bg=colour237,fg=colour239 nobold, nounderscore, noitalics]#[bg=colour239,fg=colour246] %Y-%m-%d  %H:%M #[bg=colour239,fg=colour248,nobold,noitalics,nounderscore]#[bg=colour248,fg=colour237] #h "
+set-option -g status-right "#[bg=colour237,fg=colour239 nobold, nounderscore, noitalics]#[bg=colour239,fg=colour246] %Y-%m-%d  %H:%M #[bg=colour239,fg=colour248,nobold,noitalics,nounderscore]#[bg=colour248,fg=colour237] #h #{tmux_mode_indicator}"
 
 set-window-option -g window-status-current-format "#[bg=colour214,fg=colour237,nobold,noitalics,nounderscore]#[bg=colour214,fg=colour239] #I #[bg=colour214,fg=colour239,bold] #W#{?window_zoomed_flag,*Z,} #[bg=colour237,fg=colour214,nobold,noitalics,nounderscore]"
 set-window-option -g window-status-format "#[bg=colour239,fg=colour237,noitalics]#[bg=colour239,fg=colour223] #I #[bg=colour239,fg=colour223] #W #[bg=colour237,fg=colour239,noitalics]"