Color Psychology in Branding

Color psychology is one of the most over-claimed fields in design. Many popular assertions ("blue = trust," "yellow = happy") don't survive rigorous research. Here's what is actually defensible.

What research supports

Color affects perception of taste and temperature

Multiple studies show that the color of packaging changes how people perceive the taste of the contents — warmer reds and oranges signal sweeter/spicier, cooler blues and greens signal fresher/cleaner. The effect is small but consistent.

High-saturation colors increase arousal

Vivid colors elevate physiological arousal (heart rate, attention) compared to muted ones. This is why warning signs use bright red, yellow, and orange — they grab attention reliably.

Color works as a distinctive brand asset

This is the best-evidenced claim in the whole field, and it is not a claim about emotion at all. Research from the Ehrenberg-Bass Institute — set out in Jenni Romaniuk’s Building Distinctive Brand Assets (Oxford University Press, 2018) — treats colour as a distinctive brand asset: a non-brand cue that lets a buyer identify you before they read your name.

Coca-Cola red, Tiffany blue, and UPS brown work not because those hues carry meaning, but because they have been used consistently enough, for long enough, that the link is learned. The colour is doing memory work, not psychological work.

Color affects perceived appropriateness

Consumers expect certain product categories to use certain palettes (banking → blue, organic → green, luxury → black/gold). Breaking the expectation is a deliberate choice — sometimes powerful (Apple's white-and-silver in a beige-PC world), sometimes confusing.

How do you tell if your color is doing its job?

Romaniuk’s framework measures a candidate asset on two independent axes, which is far more useful than asking what a colour “means”:

• Fame — of the people who see this colour in your category, how many name your brand? A colour nobody links to you is decoration, not an asset.
• Uniqueness — of the people who do name a brand, how many name you rather than a competitor? A colour four rivals also own cannot identify you no matter how famous it is.

Plotting both gives you a decision rather than an opinion. High fame and high uniqueness means protect it and never redesign it away. High fame but low uniqueness — the fate of most blue fintech brands — means the colour is working for the category, not for you. Low on both means you are free to change it, because nobody has learned it yet.

Notice what this framework never asks: how the colour makes anyone feel. That is the honest state of the evidence.

What is myth or overstated

Universal emotional meanings

Claims like "blue is calming for everyone" or "red causes hunger" are overgeneralized. Research finds wide cross-cultural and individual variation. Be skeptical of any source that lists "the meaning" of a color.

"Red CTAs convert better"

A few famous A/B tests showed red CTAs beating green. Many others showed the opposite. What actually wins is contrast against the surrounding page — the color that pops most reliably in your specific design wins.

"Color determines purchase decisions 90% of the time"

This stat circulates with various percentages. Original research is rarely cited correctly. Color matters, but framing it as the primary decision driver overstates its weight.

“Color increases brand recognition by 80%”

Worth singling out, because it is the single most repeated statistic in colour marketing and it does not say what people think it says. See the section below.

Where does the 80% statistic come from?

Short answer: from research about colour in documents and graphs, not about brands. It is a real finding that has been quietly relabelled.

The figure is almost always attributed to the University of Loyola, Maryland, and specifically to work by Dr. Ellen Hoadley. That research exists — but it examined how colour affects the way people process information in documents, tables, and graphs compared with monochrome presentation. It was not a study of brand recognition, brand recall, or purchase behaviour.

Somewhere between the original papers and the marketing blogosphere, “colour improves information processing by up to 80% compared with monochrome” became “colour increases brand recognition by 80%.” The number survived; the subject of the sentence did not.

This matters beyond pedantry. If you present that figure to a finance director to justify a rebrand budget and they trace the citation, you lose the argument and some credibility with it. The distinctive-asset research above supports a similar conclusion and actually withstands being checked.

How to use color strategically in branding

1. Differentiation first

Audit your competitive set. Plot competitors' brand colors on a hue wheel. Then pick a position no major competitor occupies. Distinctive memory matters more than any psychological association.

2. Validate cross-cultural meaning

If your brand operates globally, check your color's connotations in each target market. Avoid colors that carry negative associations in markets that matter.

3. Test at the message level

Instead of running color through psychology theory, A/B test the actual creative. Color decisions made in vacuum often fail; the same decisions validated in context succeed.

4. Build a system, not a slogan

A brand isn't defined by one color — it's defined by a system of colors (primary, secondary, accent, neutrals) used consistently. See our Pantone for branding guide for the system design.

How do you actually run a color audit?

Short answer: plot every competitor’s colour in a perceptual space, find the empty regions, and shortlist from there. It takes an afternoon and it replaces most of the debate.

1. List the real competitive set. Not the brands you admire — the brands that appear beside you at the point of choice: a shelf, a search results page, an app store listing, a trade stand.
2. Capture each brand’s primary colour as a value you can compute with. Sample from packaging or a screenshot with the eyedropper, then convert it with HEX → Pantone so every entry sits on the same reference footing.
3. Plot them by hue and lightness, not by name. “Blue” covers an enormous range, and two brands both called blue may be nowhere near each other perceptually. Working in a perceptual space is the point — see the CIE Lab guide.
4. Find the gaps. Empty regions are the candidates. Crowded regions are where recognition goes to die.
5. Filter the shortlist for reproducibility. A colour you cannot hold across print, screen, and product is a liability whatever its psychology. Check it converts sensibly to CMYK and, if you make physical goods, that a RAL equivalent exists.
6. Then apply symbolism — last, as a tiebreak between two equally distinctive and equally producible options. Not first.

Where color psychology meets accessibility

A point most colour-psychology writing skips entirely. Around one in twelve men has some form of colour vision deficiency, and a meaningful share of your audience will not perceive your carefully chosen hue as you intend.

Two consequences. First, colour must never be the only carrier of meaning — pair it with text, shape, position, or an icon. Second, a brand colour that fails contrast against your background is a colour your team will quietly stop using, which destroys the consistency the distinctive-asset research depends on.

Test the shortlist with the contrast checker and the color blindness simulator before you commit. Our accessibility guide covers the thresholds in full.

The honest bottom line

Color matters, but mostly as a recognition and differentiation asset — not as a hidden emotional dial. Pick a color that stands out, document it rigorously, use it consistently, and validate impact through real market testing — not psychology articles.