Some WorldEdit Color Filters.

Paths (Please use for Paths ONLY!)

AllColor Path:
//set 20%grass,15%dirt:2,15%dirt:1,19%159:13,15%159:5,15%1,7%1:1,7%1:2,7%1:3,7%1:4,7%1:5,7%1:6
YellowWhite:
//set 25%end_stone,25%5:2,25%sandstone,25%159
Blue:
//set 20%packed_ice,20%ice,20%lapis_block,20%wool:11,20%159:11
Red:
//set 15%redstone_block,33%wool:14,33%159:14
Yellow:
//set 25%sponge,25%wool:4,25%gold_block,25%159:4
Grey:
//set 20%159:9,20%stonebrick,20%stonebrick:2,20%cobblestone,20%1
Green:
//set 20%wool:13,20%159:13,20%168,20%159:5,20%emerald_block,20%prismarine:2,20%grass