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Thread: L.A.B. Color Correction Tutorial by John Chardine

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  1. #7
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    I love this species Lance!

    Got it in one Bill- big bluish cast on my calibrated monitor too. I use the LAB colour space to correct casts, sharpen, reduce noise, saturate or desaturate etc.

    The OP was running +4 on the A channel of LAB and a whopping -20 on the B. The B channel runs from Yellow (above zero, positive numbers) to blue (below zero, negative numbers), so there is the bluish cast staring you in the face. I converted image to LAB and pulled up or down the Curves on A and B to approximate A = 0, B = 0 on neutral tones (whites, greys). This is the result.

    PS I can go into more detail on the method if needed.

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