Retrieve the realistic green iguana portrait coloring page and import it in IbisPaint. Keep these contours lines always visible as the top layer, above all the other layers that will be created. For each step of the drawing, create a distinct layer per color and shade.
Color part of the jowl scales pink. Use three shades of pink: pale, medium and dark. Create one layer per shade in IbisPaint.
Add shades of medium and dark brown to the tympanum. Create one layer for each shade of brown.
Start by coloring the scales a medium shade of green. Then add dark green areas and complete with light green scales.
Using the paint bucket, apply an even layer of dark gray for the skin. Then add additional layers and draw dots of green color to create scales of different shades of green. Add pale white highlights with an additional layer.
Use the same shades of green as the scales. Add shadows and white highlights.
Use orange and brown shades.
Add volume to your drawing with white highlights and shadows. Use a medium opacity. Create one layer for white highlights, another layer for shadows.