Of course he did.
Claude Monet used media such as hammers, screwdrivers, wrenches, and drills to do his artwork.
He is an impressionist artist.
sunflowers
Yes
oil paints
He used natural colors.
Color and shape, mainly.
Cant't you see that the reflections are interesting? And in Monet's case there are also the water lilies.
His favorite medium was oil paint.
he used bright colors
It is an impressionistic oil painting.
All colors except black.