Hetty is so right i have 3 different plants all from the same mother tree (hers) and the blooms are a bit different and looking they are getting different amount of sun, heat and water. the other thing is there is a difference in plant age. very surprising i know this is a bit off topic but i am posting 3 pis all the same flower taken in different light and flash and day
not correct color to bright flash
again to bright flash
true color of hibiscus
just fyi