Colour accounts for up to 85% of a consumer's purchase decision. Here's the science behind how colour affects brand perception — and how to choose the right palette for your brand.
Colour is Your Brand's Loudest Signal
Before a potential customer reads your headline, absorbs your logo, or understands your value proposition, they've already formed an emotional reaction to your brand's colours.
This isn't a creative preference. It's neuroscience.
Colour processing happens in the limbic system — the part of the brain responsible for emotion and memory formation. It processes visual information 60,000 times faster than text. By the time a user consciously registers your brand, colour has already done the heavy emotional lifting.
The Research
- 85% of consumers cite colour as a primary reason for purchasing a product (Institute for Color Research)
- 80% increase in brand recognition with consistent colour use (University of Loyola)
- 90% of snap judgements about products are made based on colour alone
What Different Colours Communicate
Blue
Signals: Trust, reliability, professionalism, calm, intelligence Used by: Banks (FNB, Standard Bank), tech companies (Facebook, Samsung), healthcare South Africa context: Dominant in financial services. If you want to communicate stability, blue is your default.
Red
Signals: Energy, urgency, passion, excitement, appetite Used by: Retailers (Checkers, Pick n Pay), food brands, CTAs ("Buy Now") Consider: Red increases heart rate. It's powerful but tiring if overused.
Green
Signals: Growth, health, nature, wealth, sustainability Used by: Financial growth brands, health companies, eco-businesses Avoid: Cheap green tones can read as naivety rather than nature.
Black
Signals: Luxury, sophistication, exclusivity, authority Used by: Fashion, premium products, high-end services South Africa context: Black as a primary brand colour communicates premium positioning powerfully.
Yellow/Gold
Signals: Optimism, warmth, creativity, caution Used by: MTN, McDonald's, Snapchat Consider: Yellow is the most visible colour in daylight — attention-grabbing, but can communicate cheapness if not executed with sophistication.
Teal/Cyan
Signals: Innovation, clarity, creativity, accessibility Used by: Tech brands, design agencies, health tech South Africa context: Differentiating in a market dominated by blue. Communicates modern, forward-thinking.
Purple
Signals: Royalty, creativity, wisdom, ambition Used by: Premium brands, creative industries, wellness Consider: Less used in SA corporate market — can be a strong differentiator.
How to Choose Your Brand Colour Palette
Step 1: Define Your Brand Personality
Describe your brand in 5 adjectives. Map those to the colour meanings above.
Step 2: Research Your Competitors
What colours dominate your industry? Do you want to fit in (trust through familiarity) or stand out (differentiation through contrast)?
Step 3: Define a Three-Colour System
- Primary: Your dominant brand colour (60% of usage)
- Secondary: A complementary or contrasting accent (30%)
- Neutral: White, off-white, dark navy, or charcoal (10% — but appears everywhere)
Step 4: Test for Digital Use
Check contrast ratios for accessibility. Test on both light and dark backgrounds. See how colours render on different screens.
Step 5: Apply Consistently
Colour only builds brand recognition if it's consistent. Every application — website, social, print, packaging — must use the exact same hex codes.
UNION Design's Approach to Brand Colour
We never choose colours because they're pretty. Every colour decision is strategic, backed by competitive research and psychological intent.
Book a brand strategy session to develop your colour system.
