homestuckresources:

Full version: @

There are no confirmed colours for the sets where a kid/troll hasn’t actually reached God Tier, therefore some simply have no colour schemes.
However, in these cases, I would recommend looking at this: @

Although you may want to take into consideration that I, personally, wouldn’t take the colours on those same symbols to be correct when applied within comic context; the colours for Breath, Light, Time and Space changed within the comic - compared to the ones displayed on whatpumpkin. I would assume the same pattern would follow with the others, but unless Hussie ever reveals them, then these colours are pretty much canon.