MSU Green (#18453B)

/* Background */
.element {
    background-color: #18453B;
}

/* Text */
.element {
    color: #18453B;
}

/* Border */
.element {
    border: 1px solid #18453B;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #18453B,
        #72182C
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #18453B,
        #72182C
    );
}

// SCSS variable
$msu-green: #18453B;

// With RGB channels (useful for rgba() usage)
$msu-green-r: 24;
$msu-green-g: 69;
$msu-green-b: 59;

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