如何在photoshop中获取rgb值的百分比
如何在 Photoshop 中以百分比形式获取 RGB 值。 cmyk 百分比值与 RGB 类似吗?
how to get RGB values in percentage in photoshop.
and is cmyk percentage values are similar to RGB?
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RGB 和 CMYK 是不同的颜色模式。
RGB 颜色是屏幕颜色。它以绝对值表示,通常为0到255之间的整数值,代表屏幕上的亮度。值的确切范围取决于图像的颜色深度。值越高,该颜色添加的光就越多,因此最高的颜色是白色。
CMYK 颜色是印刷颜色。它们用于表示像素使用的墨水量。这不是绝对值,因为它只是颜色分量之间的比率。值越高,颜色越深。每种成分 100% 是(接近)黑色,尽管真正的黑色通常是使用 100% 的 K(主色)和大约 30% 的其他成分构成的。
RGB and CMYK are different color modes.
RGB colors are screen colors. It is expressed in absolute values, usually in integer values from 0 to 255, representing the brightness on the screen. The exact range of values depends on the color depth of the image. The higher the value, the more light of that color is added, so the highest color is white.
CMYK colors are printing colors. They are used to represent the amount of ink used for a pixel. This is no absolute value, because it is merely a ratio between the color components. The higher the value, the darker it gets. 100% of each is (near) black, although real black is usually constructed by using 100% of K (key) and about 30% of each of the other components.
从 0 到 255 的整数值适用于 8 位颜色,在 16 或 32 位颜色的时代,能够将 RGB 视为百分比值是有意义的。
除非您处于开发模块中,处于软打样模式,否则该功能已添加到 Adobe lightroom 目前会执行百分比操作
integer values from 0 to 255 are for 8 bit color, in the day of 16 or 32 bit color it would make sense to be able to view rgb as percentage values.
this is being added to Adobe lightroom currently does percentaes unless you're in the develop module, in soft proof mode