Bitter Lemon (#CAE00D)

/* Background */
.element {
    background-color: #CAE00D;
}

/* Text */
.element {
    color: #CAE00D;
}

/* Border */
.element {
    border: 1px solid #CAE00D;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #CAE00D,
        #C9C3FD
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #CAE00D,
        #C9C3FD
    );
}

// SCSS variable
$bitter-lemon: #CAE00D;

// With RGB channels (useful for rgba() usage)
$bitter-lemon-r: 202;
$bitter-lemon-g: 224;
$bitter-lemon-b: 13;

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