V-390 Bright Orange UnderglazeBright Orange Velvet Underglaze is a tangerine color that is neon at cone 05, darkens slightly at cone 5 and becomes a deep pumpkin at cone 10. A clear glaze accentuates the underglaze significantly at any temperature. For Bright Orange Velvet Underglaze, we recommend using HF 10 Clear. HF 9 Zinc Free Clear is recommended for use with underglazes to reduce the incidence of color shift. Most underglazes, stains, and coloring oxides will show their best