someone like stormcrow or dian will most likely correct me on this but here it goes:
Tiles like grass etc cannot actually just be hued as a shirt in uo can be. Tiles are in you .mul files but lucky for you this is possible to change. With some gump/mul editing programs like michaelangelo I believe you can incorporate new tiles into your mul files. So my sudguestions is take a general tile you are planning to 'hue' differently and change the color in your fav. graphics program and then add your new tile to your mul files. I am not sure on an exact method todo this, but perhaps one of the older geasers around can tell you how it works.
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