Chalky
Part of speech: adjective
Definition: Consisting of or containing chalk. Resembling chalk in any way.
Achromatic
Part of speech: adjective
Definition: Free from color; transmitting light without color-related distortion.Containing components such as achromatic lenses and prisms, designed to prevent color-related distortion.Uncolored; not absorbing color from a fluid; -- said of tissueHaving only the diatonic notes of the scale; not modified by accidentals.Being achromatic in subject