need help with windlight settings.. Slink feets keep changing tones on me.. any advice?

[DarkDollar]

i just bought the SLink high feet and i think i got them matched.. i have Lara Hurley's Dessa tan but im not sure.. every time i turn around they seem to change tones on me.. i think its the windlight settings or regional setting but i have the sky on model sky so.. idk what im doing wrong here.. any advice would be most grateful..  i hope i can fix the sky cus the lighting doesnt help when im trying to work on matching.. how do i keep the settings from doing this? i use sl viewer/ Second Life 3.8.0 (298001) Jan 12 2015 which is current..

[Amethyst Jetaime]

Make sure you have atmospheric shaders turned on in your graphic setting.  That will go a long way to alleviate your problem.