Dominant Color
The color that occupies the most visual area in a design — typically a neutral or tinted surface color that sets the overall mood.
What it means
The dominant color is whatever covers the largest surface area: your background, your sidebar, your content region. In most interfaces, the dominant color is a neutral — white, off-white, light gray, or dark gray in dark mode. It sets the baseline temperature and mood against which all other colors are perceived.
The 60-30-10 rule from interior design applies well: the dominant covers ~60%, a secondary covers ~30%, and the accent covers ~10%. This ratio creates visual balance.
Why it matters in palette design
The dominant color determines how every other color in the palette reads. A warm dominant (cream, warm gray) makes a blue accent feel calmer. A cool dominant (blue-gray, slate) makes the same blue accent feel more clinical. Getting the dominant right is foundational — accent and secondary choices follow from it.
Example
Notion uses a near-white dominant (#FFFFFF background) that takes up ~80% of the viewport. This maximizes readability and makes their sparse color accents (blue links, red warnings, green mentions) pop with minimal visual weight.
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Apply this to your palette
Open PerfectPalette and put these concepts into practice with your own colors.