Eton Blue (#96C8A2)

/* Background */
.element {
    background-color: #96C8A2;
}

/* Text */
.element {
    color: #96C8A2;
}

/* Border */
.element {
    border: 1px solid #96C8A2;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #96C8A2,
        #D6BACF
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #96C8A2,
        #D6BACF
    );
}

// SCSS variable
$eton-blue: #96C8A2;

// With RGB channels (useful for rgba() usage)
$eton-blue-r: 150;
$eton-blue-g: 200;
$eton-blue-b: 162;

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