Yellow Green (#9ACD32)

/* Background */
.element {
    background-color: #9ACD32;
}

/* Text */
.element {
    color: #9ACD32;
}

/* Border */
.element {
    border: 1px solid #9ACD32;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #9ACD32,
        #C0A7F3
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #9ACD32,
        #C0A7F3
    );
}

// SCSS variable
$yellow-green: #9ACD32;

// With RGB channels (useful for rgba() usage)
$yellow-green-r: 154;
$yellow-green-g: 205;
$yellow-green-b: 50;

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