Color it orange, if you will. But also color it inspiring, silly, exciting, serious, imaginative and, above all, fresh. Those were just some of the reactions Friday night at an intimate preview of “Color It Orange,” Designing Women’s 11th annual juried Student Art Exhibit and Awards. (The admission-free exhibit opened to the public Monday and continues daily, 1:30 to 4:30 p.m., through April 3.) “We don’t raise funds here tonight,” noted event chairman Tina Weber.