Less - Color Channel Functions

Less supports few build-in functions which set value about a channel. The channel set the value depending on the color definition. The HSL colors have hue, saturation and lightness channel and the RGB color have red, green and blue channel. Following are the list of color channel function:

S.N.	Function & Description	Example
1	hue In HSL color space, the hue channel is extracted of the color object.	background: hue(hsl(75, 90%, 30%)); it compiles in the CSS as shown below : background: 75;
2	saturation In HSL color space, the saturation channel is extracted of the color object.	background: saturation(hsl(75, 90%, 30%)); It compiles in the CSS as shown below: background: 90%;
3	lightness In HSL color space, the lightness channel is extracted of the color object.	background: lightness(hsl(75, 90%, 30%)); It compiles in the CSS as shown below: background: 30%;
4	hsvhue In HSV color space, the hue channel is extracted of the color object.	background: hsvhue(hsv(75, 90%, 30%)); It compiles in the CSS as shown below: background: 75;
5	hsvsaturation In HSL color space, the saturation channel is extracted of the color object.	background: hsvsaturation(hsv(75, 90%, 30%)); It compiles in the CSS as shown below: background: 90%;
6	hsvvalue In HSL color space, the value channel is extracted of the color object.	background: hsvvalue(hsv(75, 90%, 30%)); It compiles in the CSS as shown below: background: 30%;
7	red The red channel is extracted of the color object.	background: red(rgb(5, 15, 25)); It compiles in the CSS as shown below: background: 5;
8	green The green channel is extracted of the color object.	background: green(rgb(5, 15, 25)); It compiles in the CSS as shown below: background: 15;
9	blue The blue channel is extracted of the color object.	background: blue(rgb(5, 15, 25)); It compiles in the CSS as shown below: background: 25;
10	alpha The alpha channel is extracted of the color object.	background: alpha(rgba(5, 15, 25, 1.5)); It compiles in the CSS as shown below: background: 2;
11	luma luma value is calculated of a color object.	background: luma(rgb(50, 250, 150)); It compiles in the CSS as shown below: background: 71.2513323%;
12	luminance The luma value is calculated without gamma correction.	background: luminance(rgb(50, 250, 150)); It compiles in the CSS as shown below: background: 78.53333333%;