Diamond Vogel’s new PureColor Colorant System contains no VOCs. Diamond When combined the new colorant system is combined with Diamond Vogel’s zero VOC product lines, such as Health Kote Interior Latex Finishes, it offers a true, zero VOC system. The PureColor system also brings enhancements to exterior color fastness and improved hide, as well as matching Diamond Vogel’s preceding colorant system allowing for continued tinting of previous color formulas, according to the company.