They're talking about a design perspective. People like the lime green toaster because it by itself looks nice, but if they placed it in _their_ kitchen, it wou

They're talking about a design perspective. People like the lime green toaster because it by itself looks nice, but if they placed it in _their_ kitchen, it would probably look absolutely ridiculous unless they're designers and know how to perfectly balance such a strong color in the room. In contrast, neutral colors will look good in any color palette and require zero design talent from your side.