Electric Blue (#7DF9FF)

/* Background */
.element {
    background-color: #7DF9FF;
}

/* Text */
.element {
    color: #7DF9FF;
}

/* Border */
.element {
    border: 1px solid #7DF9FF;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #7DF9FF,
        #FFFFFF
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #7DF9FF,
        #FFFFFF
    );
}

// SCSS variable
$electric-blue: #7DF9FF;

// With RGB channels (useful for rgba() usage)
$electric-blue-r: 125;
$electric-blue-g: 249;
$electric-blue-b: 255;

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