Yellow Orange (#FFAE42)

/* Background */
.element {
    background-color: #FFAE42;
}

/* Text */
.element {
    color: #FFAE42;
}

/* Border */
.element {
    border: 1px solid #FFAE42;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #FFAE42,
        #4293FF
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #FFAE42,
        #4293FF
    );
}

// SCSS variable
$yellow-orange: #FFAE42;

// With RGB channels (useful for rgba() usage)
$yellow-orange-r: 255;
$yellow-orange-g: 174;
$yellow-orange-b: 66;

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