In case it is helpful to anyone, here is a default WKL Colemak layout that can be used on tkg.io:
["Esc",{x:1},"F1","F2","F3","F4",{x:0.5},"F5","F6","F7","F8",{x:0.5},"F9","F10","F11","F12",{x:0.25},"PrtSc","Scroll Lock","Pause\nBreak"],
[{y:0.5},"~\n`","!\n1","@\n2","#\n3","$\n4","%\n5","^\n6","&\n7","*\n8","(\n9",")\n0","_\n-","+\n=",{w:2},"Backspace",{x:0.25},"Insert","Home","PgUp"],
[{w:1.5},"Tab","Q","W","F","P","G","J","L","U","Y",":\n;","{\n[","}\n]",{w:1.5},"|\n\\",{x:0.25},"Delete","End","PgDn"],
[{w:1.75},"Caps Lock","A","R","S","T","D","H","N","E","I","O","\"\n'",{w:2.25},"Enter"],
[{w:2.25},"Shift","Z","X","C","V","B","K","M","<\n,",">\n.","?\n/",{w:2.75},"rShift",{x:1.25},"↑"],
[{w:1.5},"LCtrl","Win",{w:1.5},"Alt",{a:7,w:7},"space",{a:4,w:1.5},"rAlt","rWin",{w:1.5},"rCtrl",{x:0.25},"←","↓","→"]
Thanks for the guides, Lightning and Factory!