Preference for accent and background colors in interior architecture in terms of similarity/contrast of natural color system attributes

Color combination criteria are said to entail an affective response in interior design. We investigated the color that orient preference of current observers, after Le Corbusier's 1931 Salubra keyboards. explored similarity/contrast Natural System (NCS) hue, blackness, and chromaticness 312 combinations with four colors, two backgrounds accent coming from 43 individual on walls a simulated bedroom Swiss Pavilion (Le Corbusier, 1930-1931). Participants were 644 students architecture design Western Europe Near East, who evaluated Likert scale their for virtual images via online survey. Results indicate most preferred those hues closer wheel, being similarity between more important than NCS B30G G as hues. Observers compositions blackness under 10% similar background together certain contrast these colors accents. Similarly, observers liked low difference among composition.