Nope. You might think cotton would take kool-aid because it stains so readily, but it doesn't. (It might stricke but it will wash out over time.) Plant fibers require the use of fiber-reactive dyes.
Knitter's Geek Code
KCR+ Exp+ SPM+ Steel+ Bam+ Addi++ Pl-- Wool++ Cot Lux+ Stash Scale+ Fin !Ent Int FI> Tex Lace Felt Flat Circ+ Dpn- ML+ Swatch+ KIP+ Blog+ SNB> EZ? FO+ WIP3 Gauge W+ Alt Sw