Mauve: This shade of purple was made popular by the invention of the synthetic dye aniline in 1856. It quickly became a favorite color in fashion, interiors, and art.
Emerald Green: This vivid green was another popular color in the 19th century, particularly in the latter half. It was often used in fashion, jewelry, and decorative objects.
Cobalt Blue: This deep, intense shade of blue was particularly popular in the early 19th century. It was commonly used in porcelain, glass, and artwork.
Cadmium Yellow: This bright yellow was also popular in the 19th century, especially in the latter half. It was used in painting, ceramics, and textiles.
Indian Red: This rich shade of red was obtained from a natural dye made from the bark of a type of acacia tree. It was widely used in art, textiles, and decoration.
Sepia: This brownish-black color was often used in photography, engraving, and drawing. It was obtained from the ink sac of a cuttlefish.
These colors were commonly seen in artwork, fashion, decorative arts, and interiors throughout the 19th century. However, it's worth noting that regional and cultural differences might have influenced the popularity and availability of certain colors during this time period.