Brown Yellow (#CC9966)

/* Background */
.element {
    background-color: #CC9966;
}

/* Text */
.element {
    color: #CC9966;
}

/* Border */
.element {
    border: 1px solid #CC9966;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #CC9966,
        #B3CCE6
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #CC9966,
        #B3CCE6
    );
}

// SCSS variable
$brown-yellow: #CC9966;

// With RGB channels (useful for rgba() usage)
$brown-yellow-r: 204;
$brown-yellow-g: 153;
$brown-yellow-b: 102;

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