However, in some cases there is a risk of producing abrupt changes between shades of the same colour.

McKinstry's aim was not to distinguish between shades of intelligence but to identify whether a computer program could be considered intelligent at all.

Ahlert fought in light that danced between shades of gold and scarlet.

She peered straight down, trying to gauge the remaining distance to a vague boundary between shades of black.

People with this condition can't distinguish between different shades of certain colors, or cannot see them at all.

Skin tones vary between various shades of green, brown, and gray, and rarely black.

In it, vertical rectangles are split between lighter and darker shades of blue.

Adult females frequently show neck ring shadows that are anywhere between light and dark shades of grey.

The color varies between green and various shades of brown.