gimp denim
step 1 สร้างไฟล์ขนาด 800x800 step 2 use "bucket fill tool" 465a70 step 3\ create "transparent layer" above color layer step 3\ click layer color "465a70" and use "filter > noise > RGB noise" step 4 choose" transparent layer" bn above and use "blend tool" step 5 on window "tool option" click " color icon" near header gradient an choose "gradient slection dialogiue" step fg to bg https://www.youtube.com/watch?v=eg1kj6qJaec https://www.youtube.com/watch?v=mIfbQAmA3oU https://www.youtube.com/watch?v=FXJhKHIU3SA https://www.youtube.com/watch?v=ydn1ghhZM_s