Let’s talk about the steps of color grading by example. First of all, after we get a color card, we need to quickly identify what basic hue is used in the color. We need to find the right color system and then identify its ratio. It's a little difficult. We can take photos in the sun or under the light, and see its light transmittance to tell how much it is. With these basic preparations, we can take the body for debugging. Usually we take the body 1KG as the benchmark and weigh the estimated color masterbatch for debugging, then we can add more at one time when adding the human masterbatch for the first time, and gradually increase according to the volume change.

        Then we don’t pursue color and color uniformity in color mixing, but also consider the economic benefits. The same colorist with different colors has different formulas. Everyone knows that the body color of silicone is transparent, (such as We need to adjust one (orange) with 1﹪red+0.5﹪yellow: then we can also use 2﹪red+1+1﹪+1﹪white. This is to increase the proportion of color gel and then use white Reduce.) This simple example, you can see the so-called economic benefits, so we add 35G of color masterbatch in 1KG of raw materials. This is an increase in cost when we mass produce. The following editors will share some color grading skills for everyone.

1. Base color change: a red with blue light and a blue with green light can’t be pure
   purple. And a red with yellow light and a yellow with red light can be added to get a pure
The orange color. By two examples, you can see the shade is more important for color mixing.
In fact, the influence of shade in actual production is often the biggest factor in color grading. general
When orange is red, it is more yellow, when it is green, blue is more than yellow, and when it is purple, blue is more than red.
(Red light) blue + (yellow light) red = pure purple
(Yellow) blue + (blue light) yellow = pure green
(Red light) yellow + (yellow light) red = pure orange
 
2. Mutual decolorization application, the so-called decolorization is to use two kinds of dyeing to eliminate the characteristics of each other, if there is one
A blue with red light, if you think that the red light is too heavy, the sample does not meet the requirements, you can add less
    Amount of green (red after color) to reduce red light.
    (Yellow) blue + trace purple = (red light) blue
    (Red light) blue + trace green = (yellow light) blue
    (Blue light) red + trace orange = (yellow light) red
    (Yellow) red + trace purple = (blue light) red
    (Blue light) yellow + trace orange = (red light) yellow
    (Red light) yellow + trace green = (blue light) yellow

        The use of achromatic principle to adjust the color light can only be a small amount of adjustment, the amount should not be too much, otherwise it will affect the color depth and vividness. At the same time, we must also consider the relationship of complementary colors to achieve the best color matching. For example, there is a green light blue to change to red light blue. Add a small amount of red according to the achromatic principle to adjust the color light, but this will affect the blue vividness, because green light and red light are complementary colors. At this time, if you add a blue dye, you can obtain a satisfactory effect, because the introduction of blue and purple, on the one hand, enhances the depth of blue itself, on the other hand, the red light in purple can reduce the green light in blue. Therefore, we try to prevent complementary colors from affecting the impureness of colored light when matching colors, and sometimes we can use the complementary color relationship to correct the colored light. For example, if the black with blue light is to make the black hair bright, a small amount of yellow background color (yellow and blue are complementary colors) can meet the requirements.