#00e600

 <p style='color:#00e600'>Lorem ipsum consectetur adipiscing.</p> 
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Lorem ipsum consectetur adipiscing.

Create multiple class with multiple names and options : text color, background, border ...(Stylesheet)
 .text_color {color:#00e600;} 
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 .background_color {background-color:#00e600;} 
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 .border_color {border:2px solid #00e600;} 
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 .text_color_rgb {color:rgb(0,230,0);} 
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 .background_color_opacity {background-color:rgba(0,230,0,0.5);} 
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rgba (red, green, blue, alpha) alpha is a number between 0.0 (Transparent) and 1.0 (Opaque)
 <div class='text_color'>Lorem ipsum consectetur adipiscing</p> 
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text_color class will be applied to a new HTML element div
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