Hancock's of Paducah has the RK color chart but it is not cheap. They sell Kona Cotton at $5.98 a yard. The have 26 colors in their catalogue. They are very courteous and you can even send them a swatch of what your want to match. They just had 20% off sale and I loaded up on more black and white Kona cotton. You might want to sign up for their emails to be notified of their sales. Low $5.00 shipment (exceptions).