Photoshop uses lab channel to modulate oil painting style photos

Those who have ordinary, textured flowers are often considered to be meaningless pieces of waste. In fact, scrap can be used again, just a minute, after a simple PS post-processing, immediately become very vivid. Here's how to make an oil painting in the lab channel, and take a few steps to turn your fee into a lovely piece of color.

In the lab channel color adjustment, to maximize the hidden color potential of the original, the biggest advantage is to pull out the natural harmony of color, will not produce serious color overflow phenomenon and dazzling color separation. Now let's experiment:

I. Comparison of effects

Second, the operation steps:

1. First convert the image mode from RGB mode to Lab mode (open the image, find the image-> mode in the menu's formula bar-> Select Lab Color Item), and enter the channel panel:

2. Adjust color in Lab channel: Select B Channel Control+a, use Control+c to copy the channel, select the Brightness channel control+v paste the B channel just copied, control+d cancel the selection. The aim is to highlight the yellow color, add dark blue, so that the colors can be enhanced to get the following image

3. Color Adjustment: The basic effect has come out, the following we make adjustments to other meticulous aspects: adjust hue saturation (yellow +10 green +27, magenta-10), Color balance (midtones: green-8), or you can adjust with your own preferences

Photoshop Tutorials

4. Sharpen Image: Merge visible layer, sharpen image in brightness channel, then convert image mode from Lab mode back to RGB mode:

5. Final effect: Press and hold control+j copy layer, change blending mode to soft light, transparency 50%. Finally enter the optional color panel (magenta: Cyan +24%, black + 21%; Green: Cyan +30, black +40, yellow-11, yellow: Cyan +6, black +5; Neutral color: Cyan +15) or on demand, the final effect is as follows:

The basic definition of lab channel:

1.LAB mode is one of the three major color modes in Photoshop. Use lab mode in image editing. Is the best way to avoid color loss because when Lab mode is converted to CMYK mode, it does not lose color as if RGB mode were converted to CMYK mode.

2.LAB channels in the "lightness channel" is the brightness channel, you adjust the color is not changed, A (green → ash → Red) and b (yellow → ash → blue) is the color channel, the adjustment is a color change.

Iv. Benefits of Lab channels:

1.LAB mode is defined as the most colors, and light and device-independent, and processing speed and RGB mode as fast, much faster than CMYK mode.

2. But objectively speaking lab model also has its weaknesses and deficiencies, mainly color adjustment is sometimes difficult to grasp, color range is not flexible

Category:

• PS Image Processing