Most businesses choose brand colours the way they choose paint for their living room. They pick what they like. That instinct produces brands that feel personal to the founder and mean nothing to the customer.
Start with psychology, not preference
Every colour carries associations built over decades of cultural exposure. Blue signals trust. Red signals urgency. Green signals growth. Orange signals energy and creativity. These are not rigid rules but they are real starting points. Before you pick a colour, decide what feeling you want someone to have when they encounter your brand.
Look at your competitors first
You want to own a colour in your category, not share it. If every competitor uses blue, that tells you two things: blue is trusted in this space, and using blue makes you invisible. Colour differentiation is one of the cheapest forms of brand distinctiveness available to any business.
Standing out in a colour sense costs nothing extra. Blending in costs you every time someone cannot tell you apart from a competitor.
Build a system, not a collection
Most brands need four colours at most. A primary that drives all main communications. A secondary that adds range. A dark neutral for text. A light neutral for backgrounds. More than four is usually a system problem, not a richness problem.
Test contrast and accessibility
A beautiful palette that fails contrast standards is a broken palette. Your colours must work on screens, in print, at small sizes, and at large ones. Run every combination through a contrast checker before committing. If your brand colour cannot be used for body text, you do not yet have a complete colour system.