The Collaborative International Dictionary
Yellowishness
Yellowish \Yel"low*ish\, a. Somewhat yellow; as, amber is of a yellowish color. -- Yel"low*ish*ness, n.
Wiktionary
yellowishness
n. The property of having a slight or moderate shade of yellow, usually tinged with other colours.
Usage examples of "yellowishness".
Scrubbed, rinsed, and hung up to dry, but still faintly imbued with the yellowishness of washedout blood.
The sky had a yellowishness about it that was reflected by the water and the humble homes were all brown and brickish-red, the green of the trees not the kind of green one ordinarily would expect, but the very composition one would expect of a hanging on a wall.