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126 lines
5.9 KiB
EmacsLisp
126 lines
5.9 KiB
EmacsLisp
;;; dichromacy-theme.el --- color theme suitable for color-blind users -*- lexical-binding:t -*-
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;; Copyright (C) 2011-2021 Free Software Foundation, Inc.
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;; Author: Chong Yidong <cyd@stupidchicken>
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Code:
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(deftheme dichromacy
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"Face colors suitable for red/green color-blind users.
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The color palette is from B. Wong, Nature Methods 8, 441 (2011).
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It is intended to provide good variability while being easily
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differentiated by individuals with protanopia or deuteranopia.
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Basic, Font Lock, Isearch, Gnus, Message, Flyspell, and
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Ansi-Color faces are included.")
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(let ((class '((class color) (min-colors 89)))
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(orange "#e69f00")
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(skyblue "#56b4e9")
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(bluegreen "#009e73")
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(yellow "#f8ec59")
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(blue "#0072b2")
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(vermillion "#d55e00")
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(redpurple "#cc79a7")
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(bluegray "#848ea9"))
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(custom-theme-set-faces
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'dichromacy
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`(default ((,class (:foreground "black" :background "white"))))
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`(cursor ((,class (:background "black"))))
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;; Highlighting faces
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`(fringe ((,class (:background "#f7f7f7"))))
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`(highlight ((,class (:foreground ,blue :background "#e5e5e5"))))
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`(region ((,class (:foreground unspecified :background ,yellow))))
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`(secondary-selection ((,class (:background "#e5e5e5"))))
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`(isearch ((,class (:foreground "white" :background ,vermillion))))
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`(lazy-highlight ((,class (:foreground "white" :background ,redpurple))))
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`(trailing-whitespace ((,class (:background ,vermillion))))
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;; Mode line faces
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`(mode-line ((,class (:box (:line-width -1 :style released-button)
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:background "#e5e5e5" :foreground "black"))))
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`(mode-line-inactive ((,class (:box (:line-width -1 :style released-button)
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:background "#b0b0b0"
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:foreground "black"))))
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;; Escape and prompt faces
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`(minibuffer-prompt ((,class (:weight bold :foreground ,blue))))
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`(escape-glyph ((,class (:foreground ,vermillion))))
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`(homoglyph ((,class (:foreground ,vermillion))))
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`(error ((,class (:weight bold :slant italic
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:foreground ,vermillion))))
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`(warning ((,class (:foreground ,orange))))
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`(success ((,class (:foreground ,bluegreen))))
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;; Font lock faces
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`(font-lock-builtin-face ((,class (:foreground ,blue))))
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`(font-lock-comment-face ((,class (:slant italic :foreground ,bluegreen))))
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`(font-lock-constant-face ((,class (:weight bold :foreground ,vermillion))))
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`(font-lock-function-name-face ((,class (:foreground ,vermillion))))
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`(font-lock-keyword-face ((,class (:weight bold :foreground ,skyblue))))
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`(font-lock-string-face ((,class (:foreground ,bluegray))))
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`(font-lock-type-face ((,class (:weight bold :foreground ,blue))))
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`(font-lock-variable-name-face ((,class (:weight bold :foreground ,orange))))
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;; Button and link faces
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`(link ((,class (:underline t :foreground ,blue))))
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`(link-visited ((,class (:underline t :foreground ,redpurple))))
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;; Gnus faces
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`(gnus-group-news-1 ((,class (:weight bold :foreground ,vermillion))))
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`(gnus-group-news-1-low ((,class (:foreground ,vermillion))))
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`(gnus-group-news-2 ((,class (:weight bold :foreground ,orange))))
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`(gnus-group-news-2-low ((,class (:foreground ,orange))))
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`(gnus-group-news-3 ((,class (:weight bold :foreground ,skyblue))))
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`(gnus-group-news-3-low ((,class (:foreground ,skyblue))))
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`(gnus-group-news-4 ((,class (:weight bold :foreground ,redpurple))))
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`(gnus-group-news-4-low ((,class (:foreground ,redpurple))))
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`(gnus-group-news-5 ((,class (:weight bold :foreground ,blue))))
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`(gnus-group-news-5-low ((,class (:foreground ,blue))))
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`(gnus-group-news-low ((,class (:foreground ,bluegreen))))
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`(gnus-group-mail-1 ((,class (:weight bold :foreground ,vermillion))))
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`(gnus-group-mail-1-low ((,class (:foreground ,vermillion))))
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`(gnus-group-mail-2 ((,class (:weight bold :foreground ,orange))))
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`(gnus-group-mail-2-low ((,class (:foreground ,orange))))
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`(gnus-group-mail-3 ((,class (:weight bold :foreground ,skyblue))))
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`(gnus-group-mail-3-low ((,class (:foreground ,skyblue))))
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`(gnus-group-mail-low ((,class (:foreground ,bluegreen))))
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`(gnus-header-content ((,class (:foreground ,redpurple))))
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`(gnus-header-from ((,class (:weight bold :foreground ,blue))))
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`(gnus-header-subject ((,class (:foreground ,orange))))
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`(gnus-header-name ((,class (:foreground ,skyblue))))
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`(gnus-header-newsgroups ((,class (:foreground ,vermillion))))
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;; Message faces
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`(message-header-name ((,class (:foreground ,skyblue))))
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`(message-header-cc ((,class (:foreground ,vermillion))))
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`(message-header-other ((,class (:foreground ,bluegreen))))
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`(message-header-subject ((,class (:foreground ,orange))))
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`(message-header-to ((,class (:weight bold :foreground ,blue))))
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`(message-cited-text ((,class (:slant italic :foreground ,bluegreen))))
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`(message-separator ((,class (:weight bold :foreground ,redpurple))))
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;; Flyspell
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`(flyspell-duplicate ((,class (:weight unspecified :foreground unspecified
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:slant unspecified :underline ,orange))))
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`(flyspell-incorrect ((,class (:weight unspecified :foreground unspecified
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:slant unspecified :underline ,redpurple)))))
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(custom-theme-set-variables
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'dichromacy
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`(ansi-color-names-vector ["black" ,vermillion ,bluegreen ,yellow
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,blue ,redpurple ,skyblue "white"])))
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(provide-theme 'dichromacy)
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;;; dichromacy-theme.el ends here
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