Autoref and hyperref colors customization

Question

How to change the colour of cross-reference, I want the label to be in black and the number in blue as in the image 
documentclass{article}
usepackage{graphicx}
usepackage{hyperref}
usepackage{caption}
begin{document}
    Insert cross reference autoref{figure}
begin{figure}%h!
    centering
    includegraphics[]{example-image-a}
    caption{Validation procedure for LR model}label{figure}   
end{figure}
end{document}

Ulrich Diez · Accepted Answer

I think you need to do three things:

Define your blue color.
Assign hyperref's linkcolor-key your defined blue color.
Patch HyRef@testreftype to resort to the current textcolor before delivering the name/type of the reference.

documentclass{article}
usepackage{graphicx}
usepackage{xcolor}
definecolor{mylinkcolor}{rgb}{0.561, 0.667, 0.863}
usepackage[colorlinks=true, linkcolor=mylinkcolor]{hyperref}

makeatletter
newcommandMyAutoefPhrasecolorGroup[1]{%
  color@begingroupcolor{MyCurrentcolor}#1endgroup
}%
defHyRef@testreftype#1.#2{%
 colorlet{MyCurrentcolor}{.}%
 ltx@IfUndefined{#1autorefname}{%
   ltx@IfUndefined{#1name}{%
     HyRef@StripStar#1*@nil{#1}%
     ltx@IfUndefined{HyRef@name autorefname}{%
       ltx@IfUndefined{HyRef@name name}{%
         defHyRef@currentHtag{}%
         Hy@Warning{No autoref name for `#1'}%
       }{%
         edefHyRef@currentHtag{%
           noexpandMyAutoefPhrasecolorGroup{%
             expandafternoexpandcsnameHyRef@name nameendcsname
           }%
           noexpand~%
         }%
       }%
     }{%
       edefHyRef@currentHtag{%
         noexpandMyAutoefPhrasecolorGroup{%
           expandafternoexpand
           csnameHyRef@name autorefnameendcsname
         }%
         noexpand~%
       }%
     }%
   }{%
     edefHyRef@currentHtag{%
       noexpandMyAutoefPhrasecolorGroup{%
         expandafternoexpandcsname#1nameendcsname
       }%
       noexpand~%
     }%
   }%
 }{%
   edefHyRef@currentHtag{%
     noexpandMyAutoefPhrasecolorGroup{%
       expandafternoexpandcsname#1autorefnameendcsname
     }%
     noexpand~%
   }%
 }%
}%
makeatother

usepackage{caption}

begin{document}

{bfseriesverb|autoref|-references with hyperlink:}

Textcolor unchanged: Insert cross reference autoref{figure}

Textcolor sawitched to green: textcolor{green}{Insert cross reference autoref{figure}}

{bfseriesverb|autoref*|-references without hyperlink:}

Textcolor unchanged: Insert cross reference autoref*{figure}

Textcolor sawitched to green: textcolor{green}{Insert cross reference autoref*{figure}}

begin{figure}%h!
    centering
    includegraphics[]{example-image-a}
    caption{Validation procedure for LR model}label{figure}   
end{figure}
end{document}

With autoref-references with hyperlinks the phrase "Figure" occurs in the color of the surrounding text and is clickable like the number which occurs in the color denoted by hyperref's linkcolor-key.

Autoref and hyperref colors customization

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