Hi Fabrice, This is because you define MyColorA, MyColorB but you don't define MyColor and myColor: but you use these two colors in your MPgraphic. Best regards: OK

On 16 Jul 2018, at 00:03, Fabrice Couvreur wrote:

Good evening, In the code below, I get frames filled in black​ ​! Thank you Fabrice

\setupbodyfont [palatino,11pt]

\definecolor[MyColorB][c=0.00, m=0.62, y=1.00, k=0.00] \definecolor[MyColorA][.75(MyColorB,white)]

\defineframedtext [MyText] [frame=off, background=MyFrame, width=\textwidth, location=right]

\defineoverlay [MyFrame] [\useMPgraphic{MyFrame}]

\definelabel [Définition] [headstyle=\bf\smallcaps]

\startuseMPgraphic{MyFrame} picture p ; p := textext.rt(\MPstring{MyFrame}) ; p := p shifted (0,OverlayHeight-ypart center p) ; fill OverlayBox leftenlarged .1TextWidth withcolor \MPcolor{MyColor} ; fill boundingbox p withcolor \MPcolor{myColor} ; draw p withcolor white ; setbounds currentpicture to OverlayBox ; \stopuseMPgraphic

\starttext

\startMyText \input knuth \stopMyText

\startMyText \input knuth \stopMyText

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