public static Pair<Spannable, Boolean> renderHtml(final String html, final Function<String, Drawable> imageGetter) {
        final UnknownTagsHandler unknownTagsHandler = new UnknownTagsHandler();
        final SpannableStringBuilder description = new SpannableStringBuilder(HtmlCompat.fromHtml(html, HtmlCompat.FROM_HTML_MODE_LEGACY, imageGetter::apply, unknownTagsHandler));
        return new Pair<>(description, unknownTagsHandler.isProblematicDetected());

    }
makes text in spannable of monochrome color (by removing all foreground and background colors)
main/src/main/java/cgeo/geocaching/utils/html/HtmlUtils.java