Merge pull request #1667 from phreakocious/color_fix

fix  __color_rgb function to properly compare r,g,b as variables

themes/colors.theme.bash

@@ -109,7 +109,7 @@ function __color_white   {
 
 function __color_rgb {
   r=$1 && g=$2 && b=$3
-  [[ r == g && g == b ]] && echo $(( $r / 11 + 232 )) && return # gray range above 232
+  [[ $r == $g && $g == $b ]] && echo $(( $r / 11 + 232 )) && return # gray range above 232
   echo "8;5;$(( ($r * 36  + $b * 6 + $g) / 51 + 16 ))"
 }