
There is a complex process which mediates the viewer's responses to our photos. These involve both the dynamics of the sensory responses within the eye and our interpretation ('perception') of those colors. While these dynamics are beyond the present posting, we will deal with them in a future posting. For now, let's just say that the color that we capture in our photos triggers an emotional response in our minds and direct our attention to appropriate elements within the photo. When a color triggers certain emotional reactions, we tend to react to them in appropriate ways — motivated to act in accordance with our learning and culture.
Basic to this understanding is the realization that we respond to the perceived color, not just the physical sensation of color. We are all probably aware that some colors are considered 'warm' while others are considered 'cool' — the exact applications of these labels to specific colors depend to a large extent on one's cultural mileu, our individual learning, and our native language. Therefore, 'red' in some contexts signals an emotional response of excitement or sexuality while in a difference context it may trigger a fight-or-flight response. So, to understand the effect of color in our photos will direct the viewer's attention to those colors that tend to be pre-potent in that individual and culture. This helps explain why we consider some photos exciting while others consider them 'ho hum'.
Let's take some time now to examine some of these emotional responses associated with color. We will start with the Black and White set that focus on tonality and luminosity factors and then move on to the examination of the primary colors associated with the mixing of light ('additive' mixing). In the next posting, we will extend this examination to the secondary and some tertiary colors as well as some of the color relationships ('schemes') that may come into the act. So let's get started...
Tonality and Luminescence: Using Black and White
Black and White is the color system that most of us photographers began using in our formal photographic training. Why? Probably the most important reason was that color film required an expensive, complex process while the Black/White film processing was relatively straight forward. Beyond that, the use of Black/White film required us to look at the scene with a view of tonality changes and the use of light and shadows to create an impacting image. The emotional effects of these basic colors tend to be at the two extremes of the spectrum of light mixing, so let's see just how...

Emotional terms associated with Black:
power, sexuality, sophistication, formality, elegance, wealth, mystery, fear, evil, unhappiness, depth, style, sadness, remorse, anger, death, serious, heavy, classic, dynamic, expensive

Emotional terms associated with White:
reverence, purity, simplicity, cleanliness, peace, humility, precision, innocence, youth, marriage, purity, honesty, pristine, pure, bright
If we are looking at a grayscale mode, we can also have intermediate values — shades of gray. The emotional concomitants of grey have not been studied as thoroughly as has black or white. Therefore, the most we can say about gray and emotion is that it elicits the feel of business, is cold, and tends to be distinctive.
Basic Light Mixing — The Primary Colors
When looking at the response of the eye to color, there are three basic colors to which the cones respond: red, green and blue. These are also the pigments that color film and our digital sensors respond to when we capture an image. As we examine the effects of these primary colors, we generally conceptualize these colors as existing around a circle — the Color Mix. Here is an example...

So, lets start our examine the emotions associated with these primary colors...

Emotional terms associated with Red:
love, danger, speed, strength, violence, anger, emergency response, stop, negativity, excitement, heat, exertion, passion, provocative, dynamic

Emotional terms associated with Green:
nature, environment, health, good luck, renewal, youth, vigor, spring, generosity, fertility, jealousy, inexperience, envy, misfortune, growth, positivity, organic, comforting, soothing, refreshing, freshness

Emotional terms associated with Blue:
peace, tranquility, calm, stability, harmony, unity, trust, truth, confidence, conservatism, security, cleanliness, order, loyalty, sky, water, cold, technology, depression, constant, quiet, serene, dependable, reliable, committed, trustworthy
Emotional terms associated with Dark Blue:
stability, calm, trust, maturity
Emotional terms associated with Light Blue:
youthfulness, masculinity, coolness
We have finished the first installment of our examination of the emotional concomitants of color. In the next posting, we will continue this examination by looking at the secondary and tertiary colors as well as color schemes. Join us on that adventure...