hexa color coding change in Richtext Item Dynamic Link

Hi All,

I am in 18.3 version and i can see that we can add the colors for Rich text field,

 

i have a rich text item like this

  a!richTextItem(
text:"Workflow",
color:"STANDARD",
link: a!dynamicLink(
value:"wflow",
saveInto: ri!tabName
),
style:"PLAIN",
size:"MEDIUM"
),

But i cannot able to apply the hexa color code to the Link which is present there is there a way we can change the color of the link

 

TIA :) 

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