RGBA (Red Green Blue Alpha voulant dire Rouge Vert Bleu Alpha) est un sigle anglais représentant le codage d’une couleur avec gestion de l’opacité.
Ce codage correspond au stockage du taux de saturation en rouge, en vert, en bleu puis le pourcentage d’opacité.
Vidéo | CMYK | Rouge vert bleu (RVB) | LAB | YUV | Codage informatique des couleurs
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