deep shadows will appear pure black in photo due to clipping.
colors tend to shift or weaken in chroma. subtle between adjacent warm or cool colors are not registered.
turn photo into black and white, to remove the influence of color, and loss of subtlty
take two exposures, one for darks and one for lights.
extreme bright source is surrrounded by a region of corona
highlights form a circle
caustic projections in underwater
visualize masses of hair as ribbons, use big brushes, keep masses simple, soften the edges, control the highliths
yellow red blue
green - blue - indigo - violet
the hue, saturation, brightness of a background color can induce opposite qualities in an object sitting in front of it.
local colors appear consistent, due to human’s experience.
small colored object becomes less distinct
a small area of color that is noticetable different