Hama beads digital colour palette. I made it for ease in making digital designs, although it doesn't exactly capture translucent colours & etc. all that well. : r/beadsprites
2.6mm Mini Beads Box Set H-series 24 Colors high - Etsy
1000 PCS/ Bag 5mm Hama Beads 48 Colors For Choose Kids Education Diy Toys New Perler Beads | Wish
Fuse Beads Kit Hama Beads Reusable 24 Colors Fuse Beads Craft Set Plastic Safe 5mm DIY Art Craft Toy DIY Art Craft Beading Kit Toy Durable 5 Pattern Paper for Kids Children