01 / CASE STUDY
Why does color matter?
Color is one of the first things we notice about anything. It is also one of the things that can stick in our minds when we see something for the first time.
Because of this, color can play an important role in how we understand and remember a product.
In this case study, I want to investigate the influence of color in pharmaceutical packaging, especially because these products are directly connected to our health and safety.
Can the color of a medicine package influence how trustworthy we think the product is? Lets find out
What does pharmaceutical design look like today?
One brand, different colors, different impressions.
Panadol uses color to distinguish different products within the same brand. Although the packaging structure remains familiar, changing the dominant color changes the overall visual impression of each product
This is where color psychology comes in :
🔴 Red
Red can communicate energy , strength and urgency , It is also highly noticeable , making it useful for products that need to stand out quicky
Panadol's red packaging creates a much stronger and more energetic impression than other Panadol packaging.
🔵 Blue
Blue is often associated with trust, safety, professionalism and calmness. These associations can make a pharmaceutical product feel more reliable and reassuring. as seen in Panadol's blue packaging where blue creates a calm and clinical impression.
🟣 Purple
Purple is often associated with sophistication , creativity and uniqueness , In pharmaceutical packaging it can help a product stand apart from the more familiar palettes. Panadol's purple packaging demonstrates how changing the color can give a product a more distinctive look while still maintaining its brand's identity
🩷 Pink
Pink often creates a feminine , softer , more approachable and reassuring feeling. In pharmaceutical packaging , it is often seen in products related to reproductive and family health
The pink Panadol packaging demonstrates how changing the color can give the same brand a softer visual personality
Yet across all these possibilities, one color shows up more than any other in pharmaceutical packaging — blue. Why?
Why does blue dominate in pharmaceutical packaging?
Blue is one of the most frequently used colors in prescription medications and pain-relief packaging — and that's not by accident. Across the pharmaceutical industry, blue is consistently perceived as a color that communicates trust, safety, professionalism, and calmness. These aren't decorative choices; they're psychological shortcuts.
Since most consumers can't evaluate a medicine's effectiveness just by looking at it, they rely on visual cues to judge whether a product feels safe and credible. Blue offers exactly that kind of cue. It signals clinical reliability before a single word on the packaging is read, which is likely why so many pharmaceutical brands — Panadol included — return to blue as their primary identity.
In a category where trust has to be communicated instantly, blue simply does that job better and more consistently than any other color.
To explore this further, I created CLINOVA, a fictional pain-relief brand, as a way to test how color choices shape perceptions of trust in a controlled way. Rather than analyzing existing packaging, CLINOVA let me design the variable myself — applying the same product structure, layout, and typography across different color directions, then examining how each one shifts the impression of the brand.
After reviewing the designs with my peers blue was consistently rated as the most trustworthy of all the 3 directions. Even without knowing the psychology behind it mor people gravitated towards the blue version as their preferred version and what they would most likely trust as a pain relief product, red felt too aggressive and green felt more like a nature product less suited to general pain relief.This response mirrors what research suggested from the start : blue's association with safety and trust isn't just theoretical
Although color can influence perception , trust is rarely created by color alone, A blue package may suggest safety but unclear instructions or poor design practices can easily undo that impression. This is why color should never be treated as the sole factor in packaging design. It is important for every designer to strike a balance using color as one tool among many to build packaging that genuinely earns trust.
It is also worth noting that color doesn't carry the same meaning everywhere , while blue communicates trust and calm in one context it can be read differently in another this is why it is important to understand the user needs before any decisions or designs are made
The real key take away from this case study is that color can shape trust but it can't manufacture it alone . A well-chosen color builds the shortcut. Thoughtful, clear design — paired with an understanding of who the packaging is actually for — is what earns the trust that color only suggests.