If the designer wants to create a lehenga using a single hue, he would use a monochromatic harmony or scheme. This harmony involves the use of a single base hue, along with variations in tints, tones, and shades.
The correct IUPAC name of \([ \text{Pt}(\text{NH}_3)_2\text{Cl}_2 ]^{2+} \) is: