Medium Turquoise (#48D1CC)

/* Background */
.element {
    background-color: #48D1CC;
}

/* Text */
.element {
    color: #48D1CC;
}

/* Border */
.element {
    border: 1px solid #48D1CC;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #48D1CC,
        #EFB3B5
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #48D1CC,
        #EFB3B5
    );
}

// SCSS variable
$medium-turquoise: #48D1CC;

// With RGB channels (useful for rgba() usage)
$medium-turquoise-r: 72;
$medium-turquoise-g: 209;
$medium-turquoise-b: 204;

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