四、 Viewing Color 3. observer Personal emotions and preferences e Adjustments based on experience Object viewed under a fluorescent light Color-corrected by brain Photographs taken e Color perceptions altered Primary receptor suffers after image and fatigue Objective measurements with colorimeters or densitometers Numerical values to the reflected component Instrument makes no allowance for shapes, adjacent colors, textures Colorimetry don t tell graphic image only verify the same as used sample Color identified by a panel of human observers Colorimetric instrument brought in to quantify the color四、 Viewing Color 3. Observer. ⚫ Personal emotions and preferences. ⚫ Adjustments based on experience Object viewed under a fluorescent light Color-corrected by brain Photographs taken ⚫ Color perceptions altered Primary receptor suffers after image and fatigue Objective measurements with colorimeters or densitometers Numerical values to the reflected component ⚫ Instrument makes no allowance for shapes, adjacent colors, textures… Colorimetry don’t tell graphic image only verify the same as used sample. Color identified by a panel of human observers Colorimetric instrument brought in to quantify the color