Light Cyan (#E0FFFF)

/* Background */
.element {
    background-color: #E0FFFF;
}

/* Text */
.element {
    color: #E0FFFF;
}

/* Border */
.element {
    border: 1px solid #E0FFFF;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #E0FFFF,
        #FFE0E0
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #E0FFFF,
        #FFE0E0
    );
}

// SCSS variable
$light-cyan: #E0FFFF;

// With RGB channels (useful for rgba() usage)
$light-cyan-r: 224;
$light-cyan-g: 255;
$light-cyan-b: 255;

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