Yellow (Pantone) (#FEDF00)

/* Background */
.element {
    background-color: #FEDF00;
}

/* Text */
.element {
    color: #FEDF00;
}

/* Border */
.element {
    border: 1px solid #FEDF00;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #FEDF00,
        #FDFDFF
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #FEDF00,
        #FDFDFF
    );
}

// SCSS variable
$yellow-(pantone): #FEDF00;

// With RGB channels (useful for rgba() usage)
$yellow-(pantone)-r: 254;
$yellow-(pantone)-g: 223;
$yellow-(pantone)-b: 0;

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