gistfile1.el

;; This buffer is for notes you don't want to save, and for Lisp evaluation.
;; If you want to create a file, visit that file with C-x C-f,
;; then enter the text in that file's own buffer.

(--map
 (insert (propertize (make-string 20 ?\s) 'font-lock-face
                     (cons 'background-color it)) ?\n)
 (--map
  (apply 'color-rgb-to-hex (color-hsl-to-rgb it 1 0.5))
  (number-sequence 0.05 1.0 0.05)))