Isotope
https://github.com/chriskempson/base16-unclaimed-schemesby Jan T. Sott
#000000
#404040
#606060
#808080
#c0c0c0
#d0d0d0
#e0e0e0
#ffffff
#ff0000
#ff9900
#ff0099
#33ff00
#00ffff
#0066ff
#cc00ff
#3300ff
by Jan T. Sott
#000000
#404040
#606060
#808080
#c0c0c0
#d0d0d0
#e0e0e0
#ffffff
#ff0000
#ff9900
#ff0099
#33ff00
#00ffff
#0066ff
#cc00ff
#3300ff