Final answer:
By changing the mode of a grayscale image to RGB color, you can use painting tools to tint an image.
Step-by-step explanation:
By changing the mode of a grayscale image to RGB color, you can use painting tools to tint an image. The RGB color model uses variations of red, green, and blue to create a wide range of colors.
By adjusting the intensity of these primary colors, you can add different tints to the grayscale image.