Shamrock Green (#009E60)

/* Background */
.element {
    background-color: #009E60;
}

/* Text */
.element {
    color: #009E60;
}

/* Border */
.element {
    border: 1px solid #009E60;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #009E60,
        #FF3D89
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #009E60,
        #FF3D89
    );
}

// SCSS variable
$shamrock-green: #009E60;

// With RGB channels (useful for rgba() usage)
$shamrock-green-r: 0;
$shamrock-green-g: 158;
$shamrock-green-b: 96;

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