The Art and Science of Color


Four different colored highlighter markers, one with the cap off.

Are you a visual learner? According to principles in learning sciences and data visualization, people can retain and process information better when it is effectively communicated visually. As an evaluator who often provides detailed written reports to my clients, I am always thinking about how to best present the data that I have collected in a way that is easily digestible and clearly communicates key messages.

One major component in creating an effective report, graph, or other visual aid is color. The use of color can be a powerful way to convey ideas and connect with your audiences.

This month, we will explore the profound effect that color can have on the way that information is processed and received. To do this, we will explore five key areas where color use is important:

  1. Using color to evoke emotions and influence perception

  2. Creating a consistent brand

  3. Calling attention to important information

  4. Easing the readers’ cognitive load

  5. Maximizing human memory performance

First, let’s explore a basic principle of color psychology. We know both explicitly and implicitly that colors have the ability to evoke emotions and influence the way we perceive information. To demonstrate this, let’s conduct a little experiment:

Imagine the color green. What did you think of? A leaf? Your backyard? Maybe a green bell pepper? In color psychology, green is a calming color that often makes us think of the environment.

Now, picture the colors red and yellow. What did you imagine? Maybe ketchup and mustard? Or perhaps the fast food chain Mcdonald's? Together, red and yellow can communicate a sense of urgency or speed, perhaps encouraging customers of the iconic fast food chain to eat more quickly to free up a table for the next patron.

Alongside color psychology, color is a part of consistent branding for your organization, which is crucial in building trust and communicating value to your audience. By using your nonprofit's core colors in your materials, you can help establish a sense of consistency and familiarity with your audience.

Color can also be used to call attention to specific points in your reports or data visualizations. By using contrasting colors or bold hues, you can make sure that important information stands out and is easily noticed by readers. For instance, you might choose to highlight one bar in a bar chart, to draw attention to the most important metric. Or, maybe you’ll use a different colored font in a report to draw the reader’s eye to a particularly important quote or data point.

Another important aspect to consider is cognitive load. By using color to ease communication, you can reduce the amount of mental effort required to understand the written word or data visualizations, making them more accessible to your audience.

Color also has an impact on human memory performance. By using colors effectively, we can help readers retain and recall important information from your evaluation or annual report.

So, you understand why color choice plays a crucial role in creating understanding and how it works to more efficiently communicate key data. Now what?

Next month, we will look at the “how” by diving into some examples of using color to maximize your organization’s efforts. We will explore areas such as branding and report building that will give you some practical ways to implement the big ideas we discussed above.

Thanks for tuning in, and see you back here in June!


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The Art and Science of Color: A Guide for Nonprofit STEM Education Reports

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What is Evaluation Policy and Why Does it Matter?