Image processing is particular, how does Photoshop use hue saturation command reasonably?

Let's look at a group of pictures first, about the usage of ps hue saturation coloring command. The original picture is on the left, and the foreground color in the middle is changed to red. Check? Hue saturation? Order? Color? After the effect, the foreground color is changed to green on the right. Check? Hue saturation? Order? Color? After the effect. ?

From the above picture, we can know that PS is used? Hue/saturation? Order? Color? You can create monochrome picture effects. This effect is often used in many digital wedding photography.

Ps hue saturation command, don't check? Color? , is to adjust the hue, saturation and lightness of each color in the picture. Tick tock? Color? , the image becomes a single color to adjust the hue, saturation and brightness.

Hue/saturation? Dialog, check? Color? Check box, if the foreground and background colors are black and white by default, the image will be converted to red hue (hue parameter is 0, saturation is 25 and lightness is 0). If the current foreground color is not the default setting, select? Color? Check box, the image will be converted to the tone of the foreground color.

Color? Is it a kind of? Monochrome instead of color? Operation, and retain the original pixel brightness. The red, yellow and purple colors with different light and dark in the original image are unified into a single color with different light and dark. Pay attention to the chromatogram below. The color on it is a color after checking the color.

Choice? Color? After the option,? Editor? This option will be converted to the unchecked state.

Just say white: no matter how you change the hue, it is useless, because it is close to white, and white has no hue attribute.

Even if? Color? I can't even open it. It looks fake. If you want to change the color of your clothes to blue, obviously? Color? It's no use. Since white has no hue, hue saturation has no effect. Let's be a little rough, directly cover the color, change the layer blending mode, and add contrast with curves to achieve the purpose of coloring. ?