Silver Chalice (#ACACAC)

/* Background */
.element {
    background-color: #ACACAC;
}

/* Text */
.element {
    color: #ACACAC;
}

/* Border */
.element {
    border: 1px solid #ACACAC;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #ACACAC,
        #ACACAC
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #ACACAC,
        #ACACAC
    );
}

// SCSS variable
$silver-chalice: #ACACAC;

// With RGB channels (useful for rgba() usage)
$silver-chalice-r: 172;
$silver-chalice-g: 172;
$silver-chalice-b: 172;

// Usage
.element {
    background-color: $silver-chalice;
    color: rgba($silver-chalice-r, $silver-chalice-g, $silver-chalice-b, 0.8);
}