searches w/ warm-cold color combinations

i used some photos from the www to make these example-sketches of warm-cold color combination of media and papers.
soft pastels on coloured paper. approx 15 x 20 cm

drawing after frans hals "malle babbe"

​a drawing based after Frans Hals' painting "Malle Babbe"​.

coloured markers, indian ink and white gouache on paper