norme (1) simulation (1) couleur (1) méthode (1) cation (1) Implements (1) Instruments (1) Vision (1) Values (1) Tools (1) Red (1) Psychophysics (1) Persons (1) Measurement (1) Human beings (1) Green (1) Gray (1) Colors (1) Colorimetry (1) Color vision (1) Color (1) Angles (Geometry) (1) Measurement (1) Equipment and supplies (1) adobe (1) rouge (1) vert (1)