In literature, sinopia is often celebrated as a distinctive red earth pigment that contributes warmth and depth to descriptive imagery. Its use is noted in mixtures such as cinabrese, where sinopia is blended with chalk to create nuanced shades [1], and in formulations like leucophoron, in which sinopia is combined with yellow ochre and white earth to yield a complex, natural tone [2]. Additionally, sinopia is sometimes described as being akin to light red—either a naturally occurring pigment or one derived from processed materials [3]—and it is frequently listed among other vibrant reds, underscoring its central role in the artistic depiction of red hues [4].