Hot Pink (#FF69B4)

/* Background */
.element {
    background-color: #FF69B4;
}

/* Text */
.element {
    color: #FF69B4;
}

/* Border */
.element {
    border: 1px solid #FF69B4;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #FF69B4,
        #69FFB4
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #FF69B4,
        #69FFB4
    );
}

// SCSS variable
$hot-pink: #FF69B4;

// With RGB channels (useful for rgba() usage)
$hot-pink-r: 255;
$hot-pink-g: 105;
$hot-pink-b: 180;

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