PS CS5 Use Lab mode to bring up colorful landscape photo effect tutorial

Lab mode consists of three channels, but not the R, G, B channels. One of its channels is brightness, that is, L. The other two are color channels, represented by A and B.

A channel includes a color from dark green (bottom brightness value) to gray (medium brightness value) and then to bright pink (high brightness value); b channel is from bright blue (bottom brightness value)

To the gray (medium brightness) to the yellow (high brightness value). Therefore, this color mixture will produce bright colors.

In the expression color range, in the first place is Lab mode, the second is RGB mode, the third is CMYK mode.

Effect Chart:

Original. January 10, 2012 07:37 minutes small instamatics photographed in Lancang River. Aperture 2.8, speed 1∕80 seconds.

Switch to Lab mode after opening the original artwork. Copy press CTRL+J, blending mode is "soft light". The selection for the B channel is added as a mask by ctrl+alt+5 (CS4 version).

Stamping press Ctrl+alt+shift+e, blending mode is "soft light". Bring up the B-Channel selections by CTRL + Alt+5 to add as masks.

Pull up the curve, the brightness of the high light level and dark angle, a line to bring up the sunrise color, B line to pull blue. The parameters and effects are shown in the figure below.

Stamped press ctrl+alt+shift+e, filter → Blur → Gaussian blur (10 pixels), blending mode for "soft light". Pull up the black selection, select → color range → select shadow (color tolerance 40) → OK,

Press CTRL + Shift+i for the inverse selection of this selection to add as a mask, and use the Gaussian blur filter again to press ctrl+f for this mask.

Complete!

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