and examine the ash. BLUE COLORS.—These may consist of indigo, logwood, prussian blue or ultramarine. Indigo blue is fixed on cloth in various ways,—1st, in the blue vat; 2nd, as so-called ...

but the significance of color extends far beyond art. From the creation of Prussian blue—the first synthetic pigment—to ...

Prussian Blue Art Hub’s annual show to commemorate its 15th anniversary is a joyous collection of paintings. From artist Karthika Kathirvel Pandian’s portraits of her children’s faces ...

Deep Prussian blue flows, crystallizes, swirls and pools in cyanotype ... Shortly after moving to Vermont, Greenlee began photographing the landscape with color film and making cyanotypes with the ...