Add colorblind beta themes

giscus · Oct 3, 2021 · fef11f4 · fef11f4 · vercel · Oct 3, 2021
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -9,6 +9,11 @@ major updates to the project.
 
 ## 2021-10-03
 
+### added
+
+- Add colorblind beta themes
+  ([#187](https://github.com/giscus/giscus/pull/187)).
+
 ### changed
 
 - Use primer/primitives v5 as theme base and update looks to match GitHub

diff --git a/lib/variables.ts b/lib/variables.ts
@@ -15,6 +15,8 @@ export const Theme = {
   dark: 'GitHub Dark',
   dark_dimmed: 'GitHub Dark Dimmed',
   dark_high_contrast: 'GitHub Dark High Contrast',
+  dark_protanopia: 'GitHub Dark Colorblind',
+  light_protanopia: 'GitHub Light Colorblind',
   transparent_dark: 'Transparent Dark',
   preferred_color_scheme: 'Preferred color scheme',
   custom: 'Custom (experimental)',

diff --git a/styles/themes/dark_protanopia.css b/styles/themes/dark_protanopia.css
@@ -0,0 +1,94 @@
+/*! MIT License
+ * Copyright (c) 2018 GitHub Inc.
+ * https://github.com/primer/primitives/blob/main/LICENSE
+ */
+
+main {
+  --color-prettylights-syntax-comment: #8b949e;
+  --color-prettylights-syntax-constant: #79c0ff;
+  --color-prettylights-syntax-entity: #d2a8ff;
+  --color-prettylights-syntax-storage-modifier-import: #c9d1d9;
+  --color-prettylights-syntax-entity-tag: #83d4ff;
+  --color-prettylights-syntax-keyword: #d69a00;
+  --color-prettylights-syntax-string: #a5d6ff;
+  --color-prettylights-syntax-variable: #ffa657;
+  --color-prettylights-syntax-brackethighlighter-unmatched: #c38000;
+  --color-prettylights-syntax-invalid-illegal-text: #f0f6fc;
+  --color-prettylights-syntax-invalid-illegal-bg: #633e00;
+  --color-prettylights-syntax-carriage-return-text: #f0f6fc;
+  --color-prettylights-syntax-carriage-return-bg: #865401;
+  --color-prettylights-syntax-string-regexp: #83d4ff;
+  --color-prettylights-syntax-markup-list: #f2cc60;
+  --color-prettylights-syntax-markup-heading: #1f6feb;
+  --color-prettylights-syntax-markup-italic: #c9d1d9;
+  --color-prettylights-syntax-markup-bold: #c9d1d9;
+  --color-prettylights-syntax-markup-deleted-text: #f0ec59;
+  --color-prettylights-syntax-markup-deleted-bg: #452f00;
+  --color-prettylights-syntax-markup-inserted-text: #a0e8ff;
+  --color-prettylights-syntax-markup-inserted-bg: #0a2861;
+  --color-prettylights-syntax-markup-changed-text: #ffdfb6;
+  --color-prettylights-syntax-markup-changed-bg: #5a1e02;
+  --color-prettylights-syntax-markup-ignored-text: #c9d1d9;
+  --color-prettylights-syntax-markup-ignored-bg: #1158c7;
+  --color-prettylights-syntax-meta-diff-range: #d2a8ff;
+  --color-prettylights-syntax-brackethighlighter-angle: #8b949e;
+  --color-prettylights-syntax-sublimelinter-gutter-mark: #484f58;
+  --color-prettylights-syntax-constant-other-reference-link: #a5d6ff;
+  --color-btn-text: #c9d1d9;
+  --color-btn-bg: #21262d;
+  --color-btn-border: rgba(240, 246, 252, 0.1);
+  --color-btn-shadow: 0 0 transparent;
+  --color-btn-inset-shadow: 0 0 transparent;
+  --color-btn-hover-bg: #30363d;
+  --color-btn-hover-border: #8b949e;
+  --color-btn-active-bg: hsla(212, 12%, 18%, 1);
+  --color-btn-active-border: #6e7681;
+  --color-btn-primary-text: #ffffff;
+  --color-btn-primary-bg: #1d69e0;
+  --color-btn-primary-border: rgba(240, 246, 252, 0.1);
+  --color-btn-primary-shadow: 0 0 transparent;
+  --color-btn-primary-inset-shadow: 0 0 transparent;
+  --color-btn-primary-hover-bg: #1585fd;
+  --color-btn-primary-hover-border: rgba(240, 246, 252, 0.1);
+  --color-btn-primary-selected-bg: #1d69e0;
+  --color-btn-primary-selected-shadow: 0 0 transparent;
+  --color-btn-primary-disabled-text: rgba(240, 246, 252, 0.5);
+  --color-btn-primary-disabled-bg: rgba(29, 105, 224, 0.6);
+  --color-btn-primary-disabled-border: rgba(240, 246, 252, 0.1);
+  --color-fg-default: #c9d1d9;
+  --color-fg-muted: #8b949e;
+  --color-fg-subtle: #484f58;
+  --color-canvas-default: #0d1117;
+  --color-canvas-overlay: #161b22;
+  --color-canvas-inset: #010409;
+  --color-canvas-subtle: #161b22;
+  --color-border-default: #30363d;
+  --color-border-muted: #21262d;
+  --color-neutral-muted: rgba(110, 118, 129, 0.4);
+  --color-neutral-subtle: rgba(110, 118, 129, 0.1);
+  --color-accent-fg: #58a6ff;
+  --color-accent-emphasis: #1f6feb;
+  --color-accent-muted: rgba(56, 139, 253, 0.4);
+  --color-accent-subtle: rgba(56, 139, 253, 0.15);
+  --color-success-fg: #42a0ff;
+  --color-danger-fg: #c38000;
+  --color-primer-shadow-focus: 0 0 0 3px #0c2d6b;
+  --color-scale-gray-7: #424a53;
+  --color-scale-gray-8: #32383f;
+  --color-scale-blue-8: #0a3069;
+
+  /*! Extensions from @primer/css/alerts/flash.scss */
+  --color-social-reaction-border: var(--color-scale-blue-8);
+  --color-social-reaction-bg: var(--color-scale-gray-8);
+  --color-social-reaction-bg-hover: var(--color-scale-gray-7);
+  --color-social-reaction-bg-reacted-hover: var(--color-scale-blue-8);
+}
+
+main .pagination-loader-container {
+  background-image: url(https://github.com/images/modules/pulls/progressive-disclosure-line-dark.svg);
+}
+
+/*! Custom CSS */
+main {
+  color-scheme: dark;
+}
diff --git a/styles/themes/light_protanopia.css b/styles/themes/light_protanopia.css
@@ -0,0 +1,94 @@
+/*! MIT License
+ * Copyright (c) 2018 GitHub Inc.
+ * https://github.com/primer/primitives/blob/main/LICENSE
+ */
+
+main {
+  --color-prettylights-syntax-comment: #6e7781;
+  --color-prettylights-syntax-constant: #0550ae;
+  --color-prettylights-syntax-entity: #8250df;
+  --color-prettylights-syntax-storage-modifier-import: #24292f;
+  --color-prettylights-syntax-entity-tag: #054da9;
+  --color-prettylights-syntax-keyword: #ac5e00;
+  --color-prettylights-syntax-string: #0a3069;
+  --color-prettylights-syntax-variable: #953800;
+  --color-prettylights-syntax-brackethighlighter-unmatched: #6c3900;
+  --color-prettylights-syntax-invalid-illegal-text: #f6f8fa;
+  --color-prettylights-syntax-invalid-illegal-bg: #6c3900;
+  --color-prettylights-syntax-carriage-return-text: #f6f8fa;
+  --color-prettylights-syntax-carriage-return-bg: #ac5e00;
+  --color-prettylights-syntax-string-regexp: #054da9;
+  --color-prettylights-syntax-markup-list: #3b2300;
+  --color-prettylights-syntax-markup-heading: #0550ae;
+  --color-prettylights-syntax-markup-italic: #24292f;
+  --color-prettylights-syntax-markup-bold: #24292f;
+  --color-prettylights-syntax-markup-deleted-text: #6c3900;
+  --color-prettylights-syntax-markup-deleted-bg: #fefe48;
+  --color-prettylights-syntax-markup-inserted-text: #054da9;
+  --color-prettylights-syntax-markup-inserted-bg: #c0f6ff;
+  --color-prettylights-syntax-markup-changed-text: #953800;
+  --color-prettylights-syntax-markup-changed-bg: #ffd8b5;
+  --color-prettylights-syntax-markup-ignored-text: #eaeef2;
+  --color-prettylights-syntax-markup-ignored-bg: #0550ae;
+  --color-prettylights-syntax-meta-diff-range: #8250df;
+  --color-prettylights-syntax-brackethighlighter-angle: #57606a;
+  --color-prettylights-syntax-sublimelinter-gutter-mark: #8c959f;
+  --color-prettylights-syntax-constant-other-reference-link: #0a3069;
+  --color-btn-text: #24292f;
+  --color-btn-bg: #f6f8fa;
+  --color-btn-border: rgba(27, 31, 36, 0.15);
+  --color-btn-shadow: 0 1px 0 rgba(27, 31, 36, 0.04);
+  --color-btn-inset-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
+  --color-btn-hover-bg: #f3f4f6;
+  --color-btn-hover-border: rgba(27, 31, 36, 0.15);
+  --color-btn-active-bg: hsla(220, 14%, 93%, 1);
+  --color-btn-active-border: rgba(27, 31, 36, 0.15);
+  --color-btn-primary-text: #ffffff;
+  --color-btn-primary-bg: #0088ff;
+  --color-btn-primary-border: rgba(27, 31, 36, 0.15);
+  --color-btn-primary-shadow: 0 1px 0 rgba(27, 31, 36, 0.1);
+  --color-btn-primary-inset-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
+  --color-btn-primary-hover-bg: #0566d5;
+  --color-btn-primary-hover-border: rgba(27, 31, 36, 0.15);
+  --color-btn-primary-selected-bg: hsla(212, 95%, 41%, 1);
+  --color-btn-primary-selected-shadow: inset 0 1px 0 rgba(0, 31, 80, 0.2);
+  --color-btn-primary-disabled-text: rgba(255, 255, 255, 0.8);
+  --color-btn-primary-disabled-bg: #65ccff;
+  --color-btn-primary-disabled-border: rgba(27, 31, 36, 0.15);
+  --color-fg-default: #24292f;
+  --color-fg-muted: #57606a;
+  --color-fg-subtle: #6e7781;
+  --color-canvas-default: #ffffff;
+  --color-canvas-overlay: #ffffff;
+  --color-canvas-inset: #f6f8fa;
+  --color-canvas-subtle: #f6f8fa;
+  --color-border-default: #d0d7de;
+  --color-border-muted: hsla(210, 18%, 87%, 1);
+  --color-neutral-muted: rgba(175, 184, 193, 0.2);
+  --color-neutral-subtle: rgba(234, 238, 242, 0.5);
+  --color-accent-fg: #0969da;
+  --color-accent-emphasis: #0969da;
+  --color-accent-muted: rgba(84, 174, 255, 0.4);
+  --color-accent-subtle: #ddf4ff;
+  --color-success-fg: #0566d5;
+  --color-danger-fg: #ac5e00;
+  --color-primer-shadow-focus: 0 0 0 3px rgba(9, 105, 218, 0.3);
+  --color-scale-gray-0: #f6f8fa;
+  --color-scale-gray-1: #eaeef2;
+  --color-scale-blue-1: #b6e3ff;
+
+  /*! Extensions from @primer/css/alerts/flash.scss */
+  --color-social-reaction-border: var(--color-scale-blue-1);
+  --color-social-reaction-bg: var(--color-scale-gray-0);
+  --color-social-reaction-bg-hover: var(--color-scale-gray-1);
+  --color-social-reaction-bg-reacted-hover: var(--color-scale-blue-1);
+}
+
+main .pagination-loader-container {
+  background-image: url(https://github.com/images/modules/pulls/progressive-disclosure-line.svg);
+}
+
+/*! Custom CSS */
+main {
+  color-scheme: light;
+}