As you type, the contrast ratio indicated will update. Hover over the circle to get more detailed information. When semi-transparent colours are involved as backgrounds, the contrast ratio will have an error margin, to account for the different colours they may be over.
This sample text attempts to visually demonstrate how readable this colour combination is, for normal, italic, bold, or bold italic text of various sizes and font styles.
Hint: Press the up and down keyboard arrows while over a number inside a functional colour notation. Watch it increment/decrement. Try with the Shift or Alt key too!