Mapas: clave : valor

style

$colors: ( 
	"gray": '#eee',
	"black": '#000',
	"white": '#fff',
	"red": '#ff4' 
);

@each $color, $value in $colors {
    .item-#{$color} {
        background-color: $value;
        @if $color == 'white' {
            color: black;
        } @else if $color == 'black' {
            color: white;
        }
    }
}