InDesign gradient color is black and white

Quick answer：

InDesign is a desktop publishing software developed by Adobe Inc. It allows users to create and edit layouts for print and digital media. A gradient color in InDesign refers to a gradual transition between two or more colors. When you mention 'black and white,' it could mean creating a gradient that transitions from black to white, or it could indicate a black and white color mode for the gradient. To create a black and white gradient in InDesign, you would select the gradient tool, choose black and white as your colors, and then drag to apply the gradient to an object.