Yellow (Crayola) (#FCE883)

/* Background */
.element {
    background-color: #FCE883;
}

/* Text */
.element {
    color: #FCE883;
}

/* Border */
.element {
    border: 1px solid #FCE883;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #FCE883,
        #FBFBFD
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #FCE883,
        #FBFBFD
    );
}

// SCSS variable
$yellow-(crayola): #FCE883;

// With RGB channels (useful for rgba() usage)
$yellow-(crayola)-r: 252;
$yellow-(crayola)-g: 232;
$yellow-(crayola)-b: 131;

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