📅 最后修改于: 2021-01-06 04:42:37 🧑 作者: Mango
LESS提供了许多有用的操作功能，可以以不同的方式更改和操纵颜色并以相同的单位获取参数。
下表描述了Less支持的色彩操作功能列表：
| Index | Directives | Description |
|---|---|---|
| 1) | saturate | It is used to change the intensity or saturation of a color in the element. |
| 2) | desaturate | It is used to decrease the intensity or saturation of a color in the element. |
| 3) | lighten | It is used to increase the lightness of a color in the element. |
| 4) | darken | It is used to change the intensity or saturation of a color in the element. |
| 5) | fadein | It is used to increase the opacity for selected elements. |
| 6) | fadeout | It is used to decrease the opacity for selected elements. |
| 7) | fade | It is used to set the transparency of a color for selected elements. |
| 8) | spin | It is used to rotate the angle of a color for selected elements. |
| 9) | mix | It is used to mix the two colors along with the opacity. |
| 10) | tint | It is used to mix the color with white as you decrease the proportion of the color. |
| 11) | shade | It is used to mix the color with black as you decrease the proportion of the color. |
| 12) | greyscale | It is used to discard the saturation from a color in the selected elements. |
| 13) | contrast | It is used to set the contrast for the colors in the element. |