Pastels: is an art medium in the form of a stick, consisting of powdered pigment and a binder
crayons: is a stick of pigmented wax used for writing or drawing. wax crayons differ from pastels, in which the pigment is mixed with a dry binder such as gum arabic, and from oil pastels, where the binder is a mixture of wax and oil.
ink: ink can be a complex medium, composed of solvents, pigments, dyes, resins, lubricants, solubilizers, surfactants, particulate matter, fluorescents, and other materials
charcoal: charcoal is a form of dry art medium made of finely ground organic materials that are held together by a gum or wax binder or produced without the use of binders by eliminating the oxygen inside the material during the production process.
graphite: graphite is a metallic grey writing and drawing material most commonly used in pencil form – though graphite powder is also used by artists as a drawing material.
tempera: term that stands for paint mixed with cohesive materials, such as egg yolk, and describes the painting style and the art medium. fast-drying and a long-lasting
oil painting: oil colours, a medium consisting of pigments suspended in drying oils. ... the outstanding facility with which fusion of tones or colour is achieved makes it unique among fluid painting mediums; at the same time, satisfactory linear treatment and crisp effects are easily obtained.
acrylic paint: acrylic paints you must be decisive with your strokes, as the paint quickly dries once applied.
watercolors: watercolor you can build up layers of colors while painting, but you work in a different order than you do with acrylic paint. watercolor is translucent
chalk: artist can use a variety of techniques to create art with chalk. they can apply it to dry paper, for example, but also smudge and blend it to create various effects.
The colors give a sad/melancholy mood but the picture portrays happiness. So it might be saying in order for happiness they/we had/have to go through a tough time. Hope this helped!
