Theme Tweaker works only on the colors found in the theme stylesheet. If you have plugins that introduce their own color schemes, they are not tweaked.
Images (especially background images and transparent GIFs) may not match your new color scheme (which is more of a design preference rather than a limitation the plugin).
Theme Tweaker handles only standard color specifications (#rgb, #rrggbb or the 16 colors W3C colors -- Aqua, Black, Blue, Fuchsia, Gray, Green, Lime, Maroon, Navy, Olive, Purple, Red, Silver, Teal, White, Yellow). It does not (yet) handle the rare RGB(r,g,b) or fancier color mnemonic specification in stylesheets.
Theme Tweaker may have trouble with some multi-line descriptions in style.css (rare).
Requires: 2.5 or higher Compatible up to: 3.9.1 Last Updated: 2014-5-6 Downloads: 33,163