Fundamentals of Color PDF

Fundamentals of color Color fundamentals, color family or name of dark a color is, or the Temperature: How or color theory, are the the color. For example, gray that would remain warm or cool a color characteristics of color red, green, or purple. if the colo...

Fundamentals of color Color fundamentals, color family or name of dark a color is, or the Temperature: How or color theory, are the the color. For example, gray that would remain warm or cool a color characteristics of color red, green, or purple. if the color’s hue were is, or a combination of that allow us to distin- Hue is directly relat- removed. tones guish between colors ed to the color’s wave- Saturation: The inten- and use them in designs: length. sity, purity, or vividness Color harmony: How of a color. colors can be modified to Hue: The dominant col- Value: Also called light- achieve different effects or in a mixture of light ness or luminance, this Other fundamental ele- waves, which is also the measures how bright or ments of color include: All colors that we see in in varying proportions ate a full range of colors, your prints (but check our images on the screen to produce any color on each caused by subtract- with your printing lab or in print are created a computer, television, ing (that is, absorbing) first!). by mixing three primary or mobile device screens.some wavelengths of colors: Red, Green, and light and reflecting the Typically, most re- Blue. CMYK (stands for Cyan, others. touchers and photog- Magenta, Yellow & Key raphers work in RGB The Additive color mode = Black) is the Subtrac- Therefore: choose RGB, these days, so while it – RGB (stands for Red, tive color mode, which the additive color mode, is important for you to Green, Blue) – is the explains the mixing of for your on-screen imag- understand the differ- mixing of red, green, paints, dyes, inks, and es, and CMYK, the Sub- ence between these color and blue points of light natural colorants to cre- tractive color mode, for modes, it is safe to say that you will mostly deal The human eye has ing to Harvard neurobi- with RGB. three types of color ologist Margaret Living- sensors (corresponding stone, the visual brain CMYK can’t reproduce roughly to reds, greens, processes tonal informa- all of the same bright and blues) and that’s tion separate from color. colors as RGB, that’s what lets us reproduce why it takes knowl- colors at all using just On top of that, our edge and experience to three pigments on pa- brains make us believe convert your on-screen per, or just three phos- that local colors and images for print and in phors in a monitor. tones are stable and un- such a way that they changing.For example, look identical. The retina is a com- if we look at a green car plex layer of nerve cells lit by the orange sun- When you need to quick- lining the back of your set light or fluorescent ly find the opposite or eye. The nerve cells in garage lights, we still complementary color to the retina that respond believe it’s green. Our one you’re using, sample to the light are called visual system constantly your color (hold Option photoreceptors and makes such inferences, (ALT) when working come in two types: rods and it’s almost impos- with the Brush tool, and cones (due to their sible for our conscious or use the Eyedropper shapes). Rods provide minds to override it. tool) and get into the vision in lower light Color Picker menu. Add conditions and are col- or subtract 180 from or-blind, and cones re- the H number in the H spond to color and tone, (Hue), S (Saturation), B and function in bright (Brightness) values. light conditions. Accord-