Access backGround Color of current Scheme in CSS

[oyesiji77]

i wish to access the background Color of my current Skin in my css. Please how do i acheive this . I tried

.divContainerUp

    {

        border-width:6px;

        border-style:solid;

         border-color: headerBackgroundColor;

         background-color: headerBackgroundColor;

    }

but did not work