Purple (Munsell) (#9F00C5)

/* Background */
.element {
    background-color: #9F00C5;
}

/* Text */
.element {
    color: #9F00C5;
}

/* Border */
.element {
    border: 1px solid #9F00C5;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #9F00C5,
        #A1FF8B
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #9F00C5,
        #A1FF8B
    );
}

// SCSS variable
$purple-(munsell): #9F00C5;

// With RGB channels (useful for rgba() usage)
$purple-(munsell)-r: 159;
$purple-(munsell)-g: 0;
$purple-(munsell)-b: 197;

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