When shoul i use # and when i should not?

Question

hello, may I ask you a question? i have read that html colors should alxayd start with # is it true? is there any color that doent follow this rule?
thanks for your answer previously.

Answer 1

# is only used and required for hexadecimal notation of colors... as you have several notations available for colors in Css:

<< The <color> CSS data type represents a color in the sRGB color space. A color can be described in any of the following ways:

- using a keyword
- using the RGB cubic-coordinate system (via the #-hexadecimal or the rgb() and rgba() functional notations)
- using the HSL cylindrical-coordinate system (via the hsl() and hsla() functional notations) >>

source: https://developer.mozilla.org/en-US/docs/Web/CSS/color_value

Answer 2

I don't think it matters. I wouldn't suggest using color names, as they aren't as accurate, but otherwise, they are the same. The only time you couldn't use hexadecimal (#) or rgb is when you want transparent colors (rgba).

Answer 3

thank you so much

Answer 4

thanks