Bash script to display CPU temp

#!/bin/bash
t_warn=${1:-60}
t_crit=${2:-75}
t_curr=$(sensors -u acpitz-virtual-0 | awk '/input/{ printf "%d\n", $2}')
if [[ "$t_curr" -lt "$t_warn" ]]
then color="#90A959" #green - base16
elif [[ "$t_curr" -ge "$t_warn" ]] && [[ "$t_curr" -lt "$t_crit" ]]
then color="#D28445" #orange - base16
else color="#AC4142" #red - base16
fi
# elements output for JSON (short text, full text, color)
echo $t_curr"°"
echo $t_curr"°"
echo "$color"
exit