Q&A for How to Draw a Bass

You could use a cup or other curved object to help you trace a curve.

Watercolor paint, crayons or colored pencils all have what some would call "ugly green".

Forest, olive and sage green with a bit of pale yellow do good. You could all try blending greens and other colors if you want a different shade.

For colored pencils, use blender pencils. For pencil/charcoal use a tissue. And for markers, try using blending markers.