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Color Theory: All for One and One for All

Daniella Alscher
Daniella Alscher  |  June 14, 2019

Sometimes, two or three colors just look right together. We can’t explain why, but we know it’s right.

Color theory is the explanation you’ve been looking for.

Even if you haven’t been looking for that explanation, that’s no excuse not to know it. Color theory is important for everybody to understand. If you have a job as a freelance graphic designer or an interior decorator, color theory can easily be applied. Web designers who want to make their sites accessible need to understand color contrast; entrepreneurs designing their packaging and logos should understand how colors make their audience feel.

The understanding of color theory plays an enormous part in the success of all designers and brands, big and small.

Why guess the reason a few colors look good together when you could know the answer?

Color theory

Color theory is the fundamental guide to how we can use colors in unison with one another and achieve a beautiful and logical result.

There’s quite a bit to learn here, so take a jump down if you’re interested in a particular topic.

  1. The color wheel
  2. The color schemes
  3. Primary, secondary, and tertiary colors
  4. Warm and cool colors
  5. Additional terms

The color wheel

While we think of color as something used in art, the color wheel truly originated in science; Sir Isaac Newton developed the first color wheel and published it in 1665 while studying white light and reflection. Check out the evolution of the color wheel below.

color wheel evolution

Newton’s theory tied colors to musical notes. As it was adapted by others, these colors were tied to psychological theories instead, hence the familiar sounding term: color psychology.

As technology grew, two color wheels came into existence: RYB and RGB.

types of color wheels

The RYB color wheel is the wheel used by artists because the combinations on that wheel apply better to paints and other, printed combinations of color. The primary colors in this model are red, yellow, and blue. As color printing came into existence, red was replaced with magenta; blue was replaced with cyan; yellow remained yellow; and black was added to create the color mode CMYK.

The second is the RGB color wheel which is designed for online use because it mixes colors that are backlit by a screen such as a computer monitor or television. Primary colors in this model are red, green and blue. Knowing the difference between RGB vs CMYK isn’t just trivial; it’s necessary for digital designers.

TIP: If you want to make sure there’s absolutely no chance of variation while printing your colors, be sure to check out Pantone.

For the remainder of this article, we’ll be referring to the RYB wheel. Because that’s what we learned in kindergarten.

The color schemes

There are several relationships that exist between colors on the color wheel. These relationships are called color combinations or color schemes. There are six color schemes that every graphic designer should be familiar with when trying to choose colors that go well together.

  1. Monochromatic: varieties of one color
  2. Analogous: colors next to one another on the color wheel
  3. Complementary: colors directly opposite one another on the color wheel
  4. Triadic: three colors that are evenly spaced apart on the color wheel
  5. Split-complementary: two complementary color schemes that are next to one another on the color wheel
  6. Tetradic: two complementary color schemes that are not next to one another on the color wheel
types of color schemes

Having a more in-depth comprehension of these relationships will help both designers and other professionals make more educated decisions about the colors they use in future designs, whether it be for an illustration or a logo.

Read more: The 6 Color Schemes to Keep Everything Picture Perfect →

Primary, secondary, and tertiary colors

The color wheel consists of twelve colors: three primary, three secondary, and six tertiary.

Primary colors

Primary colors are the three colors on the color wheel that cannot be formed by mixing any other colors. Red, yellow, and blue are the primary colors on the RYB color wheel, hence their initials making up the name of the wheel.

primary colors

Secondary colors

Secondary colors are simply the colors that are created when mixing any two primary colors together. There are three possible combinations that can be made, and therefore three secondary colors on the color wheel.

Red + Yellow = Orange

Yellow + Blue = Green

Blue + Red = Purple

secondary colors

Tertiary colors

Tertiary colors are colors that are made when primary and secondary colors are combined. There are six tertiary colors on the color wheel.

tertiary colors

These colors are simply named after their combined parents.

Warm and cool colors

The color wheel can be divided in many ways; we just went over three. An additional way that these colors can be divided is by their temperature. The warmth and coolness of colors bring different feelings to the person viewing the color.

Warm colors often evoke feelings of happiness and energy; cool colors evoke feelings of calm and serenity.

Warm colors range from red-purple to yellow. Cool colors range from yellow-green to purple.

warm and cool colors

Sometimes it’s not as simple as it seems. Depending on what end of the spectrum of the particular color it sits on, some colors can shift between warm and cool. For example, a red with more orange can look and feel warmer than a red with hints of purple and blue.

Additional terms

There are a few terms within the subject of color that often become confused, but are important to understand.

hue tint tone shade

Color is the term that we use to describe any and every shade, tint, tone, and hue. Red is a color, light red is a color, dark red is a color, and so on.

Hue refers to the overall color family and the origin of the color we see. In this example, red is the hue. To make things simple, hues are one of the six primary or secondary colors: red, orange, yellow, green, blue, or purple. Black, white, and grey are not ever referred to as hues.

Shade refers to any hue mixed with the color black. A shade will darken the version of the original hue.

Tint refers to any hue mixed with the color white. This will lighten the color, but does not brighten the color (even though it may appear to be brighter). Tints are simply the washed out version of the original hue.

Tone refers to any hue mixed with the color grey. By adding grey to a hue, it tones down the intensity.

The rainbow connection

Colors are more than beautiful: they’re connected. There’s reasoning behind why some look good together while others don’t, and why some make you feel happy while others make you feel sad. You don’t have to be a graphic designer to take this knowledge and run with it: color is for everyone.

Understanding color is essential for any graphic designer. Learn more about what you need to learn if you’re becoming a graphic designer.

FREE Color Theory Infographic

Can't read without some pretty pictures? Download our free color theory infographic.

Daniella Alscher
Author

Daniella Alscher

Daniella Alscher is a Content Marketing Associate for G2. When she's not reading or writing, she's listening to murder podcasts or sitting on the couch. Or both. (she/her/hers)