kiiro, KŌ, Ō Top and bottom: together 共 (Put the plants 艹 on the table together.), middle: a variation of field 田 (in autumn) Together the fields turn yellow.
yoko, Ō Left: tree 木, right: yellow 黄 ([In autumn:] Together 共 the fields 田 turned yellow.) Trees that have turned yellow are are laid aside horizontally.