Swatches - A fun and accurate color picker for the real world
Image Colour Transfer - A free-to-use browser-based application that allows an image to be recoloured to match the colours of another image using novel methods.
Colormate – Color Picker - Minimalist color picker & palette organizer
Colores - Find color palette ideas via image search
Color Copy Paste - Copy colors from your phone & paste on web, figma, or sketch
Impalette - Scan images for dominant pantone colors