Here's a BASIC program that lists the special printable characters available.

10 COUNT = 95
20 LOW = 160
2010 FOR CH = LO TO COUNT+LO
2012 LET Y = 5
2015 LET RE = CH - (INT(CH/Y)*Y)
2016 IF RE=0 THEN PRINT ""
2020 PRINT CH;
2030 PRINT CHR$(CH);
2040 NEXT CH
9000 PRINT ""

BASIC program - list characters

Colors

And here's one that shows the color codes:

10 COUNT = 10
20 LOW = 150
2010 FOR CH = LO TO COUNT+LO
2012 LET Y = 5
2015 LET RE = CH - (INT(CH/Y)*Y)
2016 IF RE=0 THEN PRINT ""
2030 PRINT CHR$(CH);
2020 PRINT CH;
2040 PRINT " ";
2040 NEXT CH
9000 PRINT ""

BASIC program output - show colors