The colour sampler tool allows a user to exactly measure pixel information and compare it to another instance of the same pixel. Ideal for ensuring the colour adjustment you're applying, for example, isn't secretly flattening out the colours of your best photographs.
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brightness, channels, CMYK, colour sampler tool, colour wheel, Commands / Tools, contrast, eyedropper tool, free, guide to levels, highlights, histogram, layer mask, levels command, midtones, neutral colours, opacity, Photographic, photoshop cs3, RGB, shadows, skin tones, swatches, video tutorial
With one foot inside the CMYK colour space but the other firmly rooted to RGB land we begin to harness the power of number-based skin tone adjustments using the colour sampler tool and the levels command. Altogether a more involved but highly rewarding way to work that's employed by studios and portrait professionals around the world.
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brightness, colour sampler tool, Commands / Tools, contrast, eyedropper tool, free, guide to levels, highlights, histogram, info panel, levels command, midtones, Photographic, photoshop cs3, shadows, threshold command, video tutorial
So we know what shadows and highlights are, and we also know a way of locating and using them in conjunction with the relevant eyedroppers - but surely there must be a more accurate way of finding the brightest and darkest pixels inside an image? Well I'm glad you asked, as with assistance from the threshold command, the colour sampler tool, the info palette and the eyedroppers we can achieve pinpoint accuracy in a modest amount of time.
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