[From
Roses For the Television Age, by E.A. Piester, p. 22:]
'Grey Pearl', a controversial item in itself and of no distinguished popularity, has mothered a new and distinctly fashionable group of hybrids... Greying a color or shading, brings new color qualities not available with pure pigments. That is what 'Grey Pearl' contributes, as illustrated in the smoky pink-lavender of
'Lavender Pinocchio'.