armoured colour damage dye exfoliation oil-color oil-colour paint pattern plate russian rust tank texture art brush brushes color dingy dirty dirtying oil oil painting old paintbrush painting piggish unclean flask food vinegar artist background colors Nyberg painter palette tube white artistic green painted paints red stain stains yellow aubergines blended colored coloured contrast contrasting cook cooking cubed cut dark details diced edible eggplant flavonoids flavor flavour ingredients mixed mixture olive-oil perspectives ratatouille raw stew stewed stewing surface surfaces textures thick vegetables colorful colourful tomatoes