Sheen Green (#8FD400)

/* Background */
.element {
    background-color: #8FD400;
}

/* Text */
.element {
    color: #8FD400;
}

/* Border */
.element {
    border: 1px solid #8FD400;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #8FD400,
        #C5A9FF
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #8FD400,
        #C5A9FF
    );
}

// SCSS variable
$sheen-green: #8FD400;

// With RGB channels (useful for rgba() usage)
$sheen-green-r: 143;
$sheen-green-g: 212;
$sheen-green-b: 0;

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