875 Posterizing colors, in the style of "Hair"

- Hey gang this is Deke McClelland. … Welcome to Deke's Techniques. … Now, some of you may remember the American … tribal love rock musical known simply as Hair. … It introduced the world to such unforgettable songs … as Aquarius, Good Morning Starshine, … and the Flesh Failures, better known as … Let the Sun Shine In. … When it opened on Broadway in 1968, … Hair featured a psychedelic poster … which I've included by way of this vintage program. … Notice the high contrast, the false colors, … and the rapid transitions from one color to the next, … known as posterization. … Photoshop loves posterization so much … that it provides a nondestructive … posturize adjustment layer, which works pretty nicely … by itself, but it works even better … with a channel mixer layer, and the old school paint bucket. … Here, let me show you why the kids are calling it far out. … All right so here we have one possible version … of the posterized art. … Just so you have a chance to see it on screen. … Here's our starter photo, which comes to us …