You might try one of the Vallejo skin tones
http://cdn.acrylicosvallejo.com/1a94...l-color-cc.pdf
70.845/20 Carne Dorada looks like it could be a good match
http://www.mgmodelismo.com.br
is your local distributor, so they can probably tell you where to buy it from nearby...
bestest,
M.