title: Get value of R, G, B by color
body: <p>I have user type the color (e.g. White, Red,...) so how can I get value of R, G, B with the color of user gave? </p>
  
  <p>I have a function (float r, float g, float b) to set color a node. So i let the user type the color name they want, then i want to convert that color name to get r, g, b value for my function.</p>