/* use color: ;
it can be: */
color: red; /*color name(1)*/
color: rgb(100, 50, 30); /*RGB value(2)*/
color: #122120; /*HAX value(3)*/
color: #fff;
color: hsl(120, 55%, 20%) /*HUE value(4)*/
/*(2)and(3) are the most recommended*/
/*official color keywords wiki*/
https://www.w3.org/wiki/CSS/Properties/color/keywords
/*good wikipedia entry w pics*/
https://en.wikipedia.org/wiki/Web_colors
#p1 {background-color: rgba(255, 0, 0, 0.3);} /* red with opacity */
#p2 {background-color: rgba(0, 255, 0, 0.3);} /* green with opacity */
#p3 {background-color: rgba(0, 0, 255, 0.3);} /* blue with opacity */
/* all color are same */
color: rgb(255, 99, 71)
color: #ff6347
color: hsl(9, 100%, 64%)
h1 {
color: rgb(0,0,255);
}