The Highlighter Tool works like a felt-tipped marker, adding color to your picture without completely removing the underlying image. The left mouse button will paint with the color on the left side of PixelNEO's Color Box. The right mouse button will paint with the color on the right side of the Color Box. The size, shape and edge of the Highlighter can be adjusted using the controls on the Option Panel.

The results when using this tool will vary depending on the selected brush color and the colors already present in your picture. For 16 and 256 color pictures, the availability of suitable colors in the current palette also plays an important role. The best results can be achieved by painting with lighter colors.

The Color Tint Brush produces a similar, but more subtle, effect while leaving more of the original image intact.