Regular ocher is a particular, brown tone. Another spelling for ocher is ochre. Do not compare ocher with okra.
Minerals have ocher hues. Dirty gold is probably more ocher than yellow. Other minerals with iron abundances also appear ocherous.
Many nut varieties have ocher hues. This is also the case with pinto beans. Popcorn kernels certainly appear ocherous.
The insides of bruised apples often have ocher colors. This is also the case with bruised, bananas’ insides. Cherries probably never appear ocherous.
If you are in the Canary Islands, and you see a canary eating ocher squash, take the picture. If you see an ocher cat wearing an ocher hat attempting to crawl into a Manila envelope, take the picture. If you see an ocher flying saucer disappearing into an ocher, Earth sunset, take the picture.
Chicago’s Art Institute likely has many paintings in which ochers are the dominant colors. This will likely be in landscapes that have the Naturalism Style. Chicago’s Museum of Contemporary Art also likely has ocher paintings, but they will probably be Abstractionism Style instead of Naturalism Style. In addition, as decorations on vases and urns, you are likely to see ocher at the Oriental Museum.
Ocher is an Earth color, but almost certainly Martian ocher exists. Venus probably has ocher colored rocks. In gaseous form, Jupiter’s Red Spot is more ocher than red. Are there ocher snowballs on Pluto? We may never know.
Using ocher in art exhibits gives your art down-to-earth styles. The ocher can be frames’ colors. The ochers can be mixed media colors.