说可选颜色工具是独特的,是因为可选颜色工具调整RGB模式影像用到了减色法。掌握减色法原理是使用可选颜色工具的前提。先来看可选颜色工具面板。在“颜色”下拉菜单中有9个选项,分别是红、绿、蓝、黄、品、青、黑、白、中性灰。需要特别注意的是,其中的红、绿、蓝并不是原色,而是减色法中的二次色,即红是黄和品等量混合而形成的,换个说法是,红中包含了等量的黄和品;绿是黄和青等量混合而形成的,也就是绿中包含了等量的黄和青;蓝是洋红和青等量混合而形成的,蓝中包含了等量的洋红和青。菜单中的黄、品、青是原色,它们不是混合形成的。白色不包含任 The optional color tool is unique because the subtraction method is used to adjust RGB mode images with the optional color tool. Master color subtraction principle is the premise of using the optional color tools. First look at the optional color tool panel. There are 9 options in the “Color” pull-down menu, which are red, green, blue, yellow, product, cyan, black, white and neutral gray. Need special attention is that one of the red, green and blue is not a primary color, but the subtractive color secondary color, red and yellow is the same amount of goods mixed to form the other way, the red contains the same amount of Yellow and goods; Green is the same amount of yellow and green mixed to form, that is, the green contains the same amount of yellow and blue; Blue is the same amount of magenta and blue mixed to form the blue contains the same amount of magenta and blue. The menu of yellow, product, blue is the primary color, they are not formed by mixing. White does not contain any