GO Green (#00AB66)

/* Background */
.element {
    background-color: #00AB66;
}

/* Text */
.element {
    color: #00AB66;
}

/* Border */
.element {
    border: 1px solid #00AB66;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #00AB66,
        #FF579B
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #00AB66,
        #FF579B
    );
}

// SCSS variable
$go-green: #00AB66;

// With RGB channels (useful for rgba() usage)
$go-green-r: 0;
$go-green-g: 171;
$go-green-b: 102;

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