As browsers constantly improve their graphical rendering abilities, the ability to truly design within them is becoming more of a reality. A few lines of code can now have quick and dramatic visual impact, and allow for consistency without a lot of effort. And as with most things in web development, there are often many ways to achieve the same effect.
In this post, we'll take a look at one of the most popular image effects, grayscale, and assess both the ease of implementation and performance implications of HTML canvas, SVG, CSS filters, and CSS blend modes. Which one will win?