Today's workshop has continued to focus on colour for print in photoshop, and this is my first duotone composition. A duotone is made from two colours, usually spot colours, both of which would be on separate plates. I used a blue and yellow pantone colour to achieve this effect. I also manipulated the axis controlling the colours to separate the highlights and shadows. Doing this makes for a clean image with more clarity.
I used two pantone colours here, before adjusting the colour mode to RGB so I could post it here. I can create tri and quadtones using the same method as duotones by simply adding more colours. This can create an image with more depth and can help bring out certain elements of my image by moving the axis.
I also experimented with a selective duotone. I created a selection around a certain part of my image before creating a new spot channel. This enabled me to colour my selection and keep the colour range down to just two colours. Subsequently, the good thing about trying these methods is that when I drop an image into a layout in InDesign the colours will be added to the existing swatch palette. By using spot channels I can also apply specific colours that can be converted to a variety of print finishes, including varnishes, foils and other coatings.
During the session I was also introduced to spot colour ranges. This way I can add spot colours to highlights and shadows, and control the amount of colours I use in a document.
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