Cambiar colores con botones

<FORM>
   <INPUT type="button" value="Powder Blue!"   name="button3" onClick="document.bgColor='#D7D7FA'">
   <INPUT type="button" value=" LightPink  ! " name="button4" onClick="document.bgColor='lightpink'">
   <INPUT type="button" value=" HotPINK !"     name="button5" onClick="document.bgColor='hotpink'">
   <INPUT type="button" value=" lemonchiffon " name="button6" onClick="document.bgColor='lemonchiffon'">
   <INPUT type="button" value=  " Cornsilk"    name="button7" onClick="document.bgColor='cornsilk'">
   <INPUT type="button" value=  " Original "   name="button8" onClick="document.bgColor='white'">
</FORM>