Spot the colour

Learn to iso­late and pre­serve spe­cific colours in a mono con­ver­sion

NPhoto - - Contents -

One way to draw the eye to a spe­cific sub­ject in a photo is to pre­serve that ob­ject’s colour in­for­ma­tion while con­vert­ing the rest of the photo to mono­chrome. This spot­colour ef­fect is con­sid­ered by some to be a bit tacky, but for oth­ers it’s a pop­u­lar creative pro­cess­ing tech­nique that’s fun to in­dulge in. For ex­am­ple, you can’t wan­der through Lon­don with­out see­ing spot-colour postcards that fea­ture iconic red buses or pil­lar boxes against a black-and-white back­drop.

In this creative walk­through we’ll use the HSL panel to tar­get and tweak dif­fer­ent colour strength (Sat­u­ra­tion) and bright­ness (Lu­mi­nance) val­ues to se­lec­tively de­sat­u­rate all the colours in our start­ing im­age ex­cept for the boy’s yel­low rain­coat. This fast slider-based tech­nique saves you the time and has­sle of hav­ing to paint colour back in.

You can’t wan­der through Lon­don with­out see­ing spot-colour postcards that fea­ture iconic red buses or pil­lar boxes against a black-and-white back­drop

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