etc/themes/dichromacy-theme.el

   1 ;;; dichromacy-theme.el --- color theme suitable for color-blind users
   2
   3 ;; Copyright (C) 2011-2017 Free Software Foundation, Inc.
   4
   5 ;; Author: Chong Yidong <cyd@stupidchicken>
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU Emacs is free software: you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation, either version 3 of the License, or
  12 ;; (at your option) any later version.
  13
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
  21
  22 ;;; Code:
  23
  24 (deftheme dichromacy
  25   "Face colors suitable for red/green color-blind users.
  26 The color palette is from B. Wong, Nature Methods 8, 441 (2011).
  27 It is intended to provide good variability while being easily
  28 differentiated by individuals with protanopia or deuteranopia.
  29
  30 Basic, Font Lock, Isearch, Gnus, Message, Flyspell, and
  31 Ansi-Color faces are included.")
  32
  33 (let ((class '((class color) (min-colors 89)))
  34       (orange "#e69f00")
  35       (skyblue "#56b4e9")
  36       (bluegreen "#009e73")
  37       (yellow "#f8ec59")
  38       (blue "#0072b2")
  39       (vermillion "#d55e00")
  40       (redpurple "#cc79a7")
  41       (bluegray "#848ea9"))
  42   (custom-theme-set-faces
  43    'dichromacy
  44    `(default ((,class (:foreground "black" :background "white"))))
  45    `(cursor ((,class (:background "black"))))
  46    ;; Highlighting faces
  47    `(fringe ((,class (:background "#f7f7f7"))))
  48    `(highlight ((,class (:foreground ,blue :background "#e5e5e5"))))
  49    `(region ((,class (:foreground unspecified :background ,yellow))))
  50    `(secondary-selection ((,class (:background "#e5e5e5"))))
  51    `(isearch ((,class (:foreground "white" :background ,vermillion))))
  52    `(lazy-highlight ((,class (:foreground "white" :background ,redpurple))))
  53    `(trailing-whitespace ((,class (:background ,vermillion))))
  54    ;; Mode line faces
  55    `(mode-line ((,class (:box (:line-width -1 :style released-button)
  56                               :background "#e5e5e5" :foreground "black"))))
  57    `(mode-line-inactive ((,class (:box (:line-width -1 :style released-button)
  58                                        :background "#b0b0b0"
  59                                        :foreground "black"))))
  60    ;; Escape and prompt faces
  61    `(minibuffer-prompt ((,class (:weight bold :foreground ,blue))))
  62    `(escape-glyph ((,class (:foreground ,vermillion))))
  63    `(homoglyph ((,class (:foreground ,vermillion))))
  64    `(error ((,class (:weight bold :slant italic
  65                              :foreground ,vermillion))))
  66    `(warning ((,class (:foreground ,orange))))
  67    `(success ((,class (:foreground ,bluegreen))))
  68    ;; Font lock faces
  69    `(font-lock-builtin-face ((,class (:foreground ,blue))))
  70    `(font-lock-comment-face ((,class (:slant italic :foreground ,bluegreen))))
  71    `(font-lock-constant-face ((,class (:weight bold :foreground ,vermillion))))
  72    `(font-lock-function-name-face ((,class (:foreground ,vermillion))))
  73    `(font-lock-keyword-face ((,class (:weight bold :foreground ,skyblue))))
  74    `(font-lock-string-face ((,class (:foreground ,bluegray))))
  75    `(font-lock-type-face ((,class (:weight bold :foreground ,blue))))
  76    `(font-lock-variable-name-face ((,class (:weight bold :foreground ,orange))))
  77    ;; Button and link faces
  78    `(link ((,class (:underline t :foreground ,blue))))
  79    `(link-visited ((,class (:underline t :foreground ,redpurple))))
  80    ;; Gnus faces
  81    `(gnus-group-news-1 ((,class (:weight bold :foreground ,vermillion))))
  82    `(gnus-group-news-1-low ((,class (:foreground ,vermillion))))
  83    `(gnus-group-news-2 ((,class (:weight bold :foreground ,orange))))
  84    `(gnus-group-news-2-low ((,class (:foreground ,orange))))
  85    `(gnus-group-news-3 ((,class (:weight bold :foreground ,skyblue))))
  86    `(gnus-group-news-3-low ((,class (:foreground ,skyblue))))
  87    `(gnus-group-news-4 ((,class (:weight bold :foreground ,redpurple))))
  88    `(gnus-group-news-4-low ((,class (:foreground ,redpurple))))
  89    `(gnus-group-news-5 ((,class (:weight bold :foreground ,blue))))
  90    `(gnus-group-news-5-low ((,class (:foreground ,blue))))
  91    `(gnus-group-news-low ((,class (:foreground ,bluegreen))))
  92    `(gnus-group-mail-1 ((,class (:weight bold :foreground ,vermillion))))
  93    `(gnus-group-mail-1-low ((,class (:foreground ,vermillion))))
  94    `(gnus-group-mail-2 ((,class (:weight bold :foreground ,orange))))
  95    `(gnus-group-mail-2-low ((,class (:foreground ,orange))))
  96    `(gnus-group-mail-3 ((,class (:weight bold :foreground ,skyblue))))
  97    `(gnus-group-mail-3-low ((,class (:foreground ,skyblue))))
  98    `(gnus-group-mail-low ((,class (:foreground ,bluegreen))))
  99    `(gnus-header-content ((,class (:foreground ,redpurple))))
 100    `(gnus-header-from ((,class (:weight bold :foreground ,blue))))
 101    `(gnus-header-subject ((,class (:foreground ,orange))))
 102    `(gnus-header-name ((,class (:foreground ,skyblue))))
 103    `(gnus-header-newsgroups ((,class (:foreground ,vermillion))))
 104    ;; Message faces
 105    `(message-header-name ((,class (:foreground ,skyblue))))
 106    `(message-header-cc ((,class (:foreground ,vermillion))))
 107    `(message-header-other ((,class (:foreground ,bluegreen))))
 108    `(message-header-subject ((,class (:foreground ,orange))))
 109    `(message-header-to ((,class (:weight bold :foreground ,blue))))
 110    `(message-cited-text ((,class (:slant italic :foreground ,bluegreen))))
 111    `(message-separator ((,class (:weight bold :foreground ,redpurple))))
 112    ;; Flyspell
 113    `(flyspell-duplicate ((,class (:weight unspecified :foreground unspecified
 114                                   :slant unspecified :underline ,orange))))
 115    `(flyspell-incorrect ((,class (:weight unspecified :foreground unspecified
 116                                   :slant unspecified :underline ,redpurple)))))
 117
 118   (custom-theme-set-variables
 119    'dichromacy
 120    `(ansi-color-names-vector ["black" ,vermillion ,bluegreen ,yellow
 121                               ,blue ,redpurple ,skyblue "white"])))
 122
 123 (provide-theme 'dichromacy)
 124
 125 ;; Local Variables:
 126 ;; no-byte-compile: t
 127 ;; End:
 128
 129 ;;; dichromacy-theme.el ends here