It sounds like a broken record, but the Painter's Palette, because these really are all the colors you'll need to paint and create like the Masters! 

 Designed for use on everything from paper to wood, the dye-based powders are non-toxic and acid-free. Sprinkle them directly onto a porous surface and spray it with water for a vibrant stain, or customize your projects by adding them to any art medium (including resin, polymer clay, etc). Add a little for a softer version of the color and a lot for a deep, vibrant tinting.

• 10g jar with shaker insert
• Non-toxic, acid-free powdered dyes
• Contains powdered dye based pigments 
• Made in the USA

VINNY'S VIEW 5-PACK includes:

• ROLL IN THE HAY- rich brownish golden yellow
• PORTRAIT BLAZER BLUE- great tealish blue
• EARS LOOKIN' 'ATCHA OLIVE- olive
• CAFE TERRACE TANGERINE- soft coral-y orange
• BRING THE HOUSE DOWN BROWN- a great reddish brown

PAINTER'S PALETTE is 15 colors split into 3 sets: Vinny's View, Monet All Day, and Kissing Klimt.  You can buy them as 5-packs, or the entire Painter's Palette.