A circle with a slightly different shade of the background is shown around their head. i hope this helps.
Intensify in the brightness or dullness of a color. Intensity refers to the purity of a Hue. Intensity is also known as the Chroma or Saturation. A Hue is the “color” name. Use red as an example, it represents the specific wavelength of visible light. The Hues in the Color Spectrum are red, orange, yellow, green, blue, indigo, and violet.
I hope this helps!!
