Add ef-rosa theme

Read the announcement (includes pictures):
<https://protesilaos.com/codelog/2024-01-06-emacs-ef-rosa/>.

3 files changed, 361 insertions, 0 deletions

diff --git a/contrast-ratios.org b/contrast-ratios.org
index fafd568..9298283 100644
--- a/contrast-ratios.org
+++ b/contrast-ratios.org
@@ -1425,6 +1425,71 @@ work with the overall design of the project.
 | #242e39 |    10245 |     1.42 |
 #+TBLFM: $2='(Δ $1 @1$1) :: $3='(Λ $1 @1$1);%.2f
 
+* ef-rosa
+:PROPERTIES:
+:CUSTOM_ID: h:cc74fbff-d0da-4fef-a83a-8e92d27738b9
+:END:
+
+** Base colours
+:PROPERTIES:
+:CUSTOM_ID: h:2e0d0312-3984-48d8-9adc-1d132c1ab651
+:END:
+
+| Name           |         | #322023 | #432e32 | #4a3842 | #362129 |
+|----------------+---------+---------+---------+---------+---------|
+| fg-main        | #e4d3e1 |   10.76 |    8.78 |    7.60 |   10.45 |
+| fg-dim         | #9d9d9d |    5.67 |    4.62 |    4.00 |    5.51 |
+| fg-alt         | #96c4af |    7.91 |    6.45 |    5.59 |    7.69 |
+| red            | #ff707f |    5.76 |    4.70 |    4.07 |    5.60 |
+| red-warmer     | #ff7f5f |    6.19 |    5.05 |    4.37 |    6.01 |
+| red-cooler     | #f0888f |    6.31 |    5.15 |    4.46 |    6.13 |
+| red-faint      | #e89f84 |    7.12 |    5.80 |    5.02 |    6.91 |
+| green          | #55cb56 |    7.36 |    6.01 |    5.20 |    7.16 |
+| green-warmer   | #8ad05a |    8.23 |    6.71 |    5.81 |    8.00 |
+| green-cooler   | #49d081 |    7.77 |    6.34 |    5.49 |    7.55 |
+| green-faint    | #9aba8b |    7.15 |    5.83 |    5.05 |    6.95 |
+| yellow         | #e4c53f |    9.04 |    7.38 |    6.38 |    8.79 |
+| yellow-warmer  | #f2a85f |    7.71 |    6.29 |    5.45 |    7.50 |
+| yellow-cooler  | #eec26f |    9.21 |    7.51 |    6.50 |    8.95 |
+| yellow-faint   | #d8c09f |    8.75 |    7.14 |    6.18 |    8.50 |
+| blue           | #57aff6 |    6.49 |    5.29 |    4.58 |    6.31 |
+| blue-warmer    | #78b2ff |    7.03 |    5.74 |    4.97 |    6.83 |
+| blue-cooler    | #62cff7 |    8.63 |    7.04 |    6.09 |    8.38 |
+| blue-faint     | #9fbfdf |    8.04 |    6.56 |    5.68 |    7.82 |
+| magenta        | #ffb2d6 |    9.21 |    7.51 |    6.51 |    8.95 |
+| magenta-warmer | #f28fdf |    7.15 |    5.83 |    5.05 |    6.95 |
+| magenta-cooler | #cfb1ff |    8.33 |    6.80 |    5.88 |    8.10 |
+| magenta-faint  | #c59fdf |    6.88 |    5.61 |    4.86 |    6.68 |
+| cyan           | #5fc0dc |    7.36 |    6.00 |    5.20 |    7.15 |
+| cyan-warmer    | #7fc5df |    8.02 |    6.54 |    5.66 |    7.79 |
+| cyan-cooler    | #80dfbf |    9.68 |    7.89 |    6.83 |    9.40 |
+| cyan-faint     | #99bfcf |    7.84 |    6.39 |    5.53 |    7.61 |
+#+TBLFM: $3='(Λ $2 @1$3);%.2f :: $4='(Λ $2 @1$4);%.2f :: $5='(Λ $2 @1$5);%.2f :: $6='(Λ $2 @1$6);%.2f
+
+** Special colours against the modeline
+:PROPERTIES:
+:CUSTOM_ID: h:a6964d93-4f16-42bc-a40e-ddddea858fe0
+:END:
+
+| Name             |         | #814558 |
+|------------------+---------+---------|
+| modeline-err     | #ffb4ff |    4.52 |
+| modeline-warning | #dfdf43 |    5.05 |
+| modeline-info    | #7fefff |    5.36 |
+#+TBLFM: $3='(Λ $2 @1$3);%.2f
+
+** Distance and contrast between main backgrounds
+:PROPERTIES:
+:CUSTOM_ID: h:af14156e-2999-467d-8d56-97cceacaca46
+:END:
+
+# bg-main / bg-dim, bg-main / bg-alt
+| #322023 | distance | contrast |
+|---------+----------+----------|
+| #432e32 |     2067 |     1.23 |
+| #4a3842 |     6294 |     1.42 |
+#+TBLFM: $2='(Δ $1 @1$1) :: $3='(Λ $1 @1$1);%.2f
+
 * ef-spring
 :PROPERTIES:
 :CUSTOM_ID: h:f8eea1d3-359a-4ab6-9c5c-c54ebe896b43
diff --git a/ef-rosa-theme.el b/ef-rosa-theme.el
new file mode 100644
index 0000000..275c625
--- /dev/null
+++ b/ef-rosa-theme.el
@@ -0,0 +1,295 @@
+;;; ef-rosa-theme.el --- Legible dark theme with magenta and green colors -*- lexical-binding:t -*-
+
+;; Copyright (C) 2022-2023  Free Software Foundation, Inc.
+
+;; Author: Protesilaos Stavrou <info@protesilaos.com>
+;; Maintainer: Ef-Themes Development <~protesilaos/ef-themes@lists.sr.ht>
+;; URL: https://git.sr.ht/~protesilaos/ef-themes
+;; Mailing-List: https://lists.sr.ht/~protesilaos/ef-themes
+;; Keywords: faces, theme, accessibility
+
+;; This file is NOT part of GNU Emacs.
+
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+;;
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+;;
+;; The `ef-themes' are a collection of light and dark themes for GNU
+;; Emacs whose goal is to provide colorful ("pretty") yet legible
+;; options for users who want something with a bit more flair than the
+;; `modus-themes' (also designed by me).
+
+;;; Code:
+
+
+
+(eval-and-compile
+  (require 'ef-themes)
+
+;;;###theme-autoload
+  (deftheme ef-rosa
+    "Legible dark theme with magenta and green colors."
+    :background-mode 'light
+    :kind 'color-scheme
+    :family 'ef)
+
+  (defconst ef-rosa-palette
+    '(
+;;; Basic values
+
+      (bg-main     "#322023")
+      (fg-main     "#e4d3e1")
+      (bg-dim      "#432e32")
+      (fg-dim      "#9d9d9d")
+      (bg-alt      "#4a3842")
+      (fg-alt      "#96c4af")
+
+      (bg-active   "#6a5862")
+      (bg-inactive "#362129")
+
+;;; Basic hues for foreground values
+
+      (red             "#ff707f")
+      (red-warmer      "#ff7f5f")
+      (red-cooler      "#f0888f")
+      (red-faint       "#e89f84")
+      (green           "#55cb56")
+      (green-warmer    "#8ad05a")
+      (green-cooler    "#49d081")
+      (green-faint     "#9aba8b")
+      (yellow          "#e4c53f")
+      (yellow-warmer   "#f2a85f")
+      (yellow-cooler   "#eec26f")
+      (yellow-faint    "#d8c09f")
+      (blue            "#57aff6")
+      (blue-warmer     "#78b2ff")
+      (blue-cooler     "#62cff7")
+      (blue-faint      "#9fbfdf")
+      (magenta         "#ffb2d6")
+      (magenta-warmer  "#f28fdf")
+      (magenta-cooler  "#cfb1ff")
+      (magenta-faint   "#c59fdf")
+      (cyan            "#5fc0dc")
+      (cyan-warmer     "#7fc5df")
+      (cyan-cooler     "#80dfbf")
+      (cyan-faint      "#99bfcf")
+
+;;; Basic hues for background values
+
+      (bg-red-intense     "#bd1f30")
+      (bg-green-intense   "#20a420")
+      (bg-yellow-intense  "#847020")
+      (bg-blue-intense    "#2f5f9f")
+      (bg-magenta-intense "#b05fcf")
+      (bg-cyan-intense    "#028099")
+
+      (bg-red-subtle      "#70202a")
+      (bg-green-subtle    "#105d1a")
+      (bg-yellow-subtle   "#625000")
+      (bg-blue-subtle     "#143f84")
+      (bg-magenta-subtle  "#55407a")
+      (bg-cyan-subtle     "#30546f")
+
+;;; Diffs
+
+      (bg-added          "#2f4735")
+      (bg-added-faint    "#2a382f")
+      (bg-added-refine   "#1d6044")
+      (fg-added          "#a0e0a0")
+
+      (bg-changed        "#51512f")
+      (bg-changed-faint  "#40332f")
+      (bg-changed-refine "#61621f")
+      (fg-changed        "#dada90")
+
+      (bg-removed        "#5f252f")
+      (bg-removed-faint  "#4a242a")
+      (bg-removed-refine "#792d35")
+      (fg-removed        "#ffbfbf")
+
+;;; Graphs
+
+      (bg-graph-red-0     "#b52c2c")
+      (bg-graph-red-1     "#702020")
+      (bg-graph-green-0   "#0fed00")
+      (bg-graph-green-1   "#007800")
+      (bg-graph-yellow-0  "#f1e00a")
+      (bg-graph-yellow-1  "#b08940")
+      (bg-graph-blue-0    "#2fafef")
+      (bg-graph-blue-1    "#1f2f8f")
+      (bg-graph-magenta-0 "#bf94fe")
+      (bg-graph-magenta-1 "#5f509f")
+      (bg-graph-cyan-0    "#47dfea")
+      (bg-graph-cyan-1    "#00808f")
+
+;;; Special hues
+
+      (bg-mode-line       "#814558")
+      (fg-mode-line       "#e8e5e7")
+      (bg-completion      "#6e425f")
+      (bg-hover           "#3f6a50")
+      (bg-hover-secondary "#6a4f5f")
+      (bg-hl-line         "#42352f")
+      (bg-paren           "#7c454f")
+      (bg-err             "#551a05") ; check with err
+      (bg-warning         "#4f3f10") ; check with warning
+      (bg-info            "#0f4310") ; check with info
+
+      (border        "#6f5f58")
+      (cursor        "#ef607a")
+      (fg-intense    "#ffffff")
+
+      (modeline-err     "#ffb4ff")
+      (modeline-warning "#dfdf43")
+      (modeline-info    "#7fefff")
+
+      (underline-err     "#df4f2f")
+      (underline-warning "#d4c000")
+      (underline-info    "#22b022")
+
+      (bg-char-0 "#0050af")
+      (bg-char-1 "#7f1f7f")
+      (bg-char-2 "#6f6600")
+
+;;; Mappings
+
+;;;; General mappings
+
+      (fringe unspecified)
+
+      (err red-warmer)
+      (warning yellow-warmer)
+      (info green)
+
+      (link green)
+      (link-alt magenta-cooler)
+      (name magenta-warmer)
+      (keybind magenta-warmer)
+      (identifier green-faint)
+      (prompt cyan-cooler)
+
+      (bg-region "#45524a")
+      (fg-region unspecified)
+
+;;;; Code mappings
+
+      (builtin magenta-cooler)
+      (comment fg-dim)
+      (constant green-cooler)
+      (fnname magenta-warmer)
+      (keyword magenta)
+      (preprocessor red-cooler)
+      (docstring yellow-faint)
+      (string green-warmer)
+      (type cyan-warmer)
+      (variable cyan-cooler)
+      (rx-escape red-cooler) ; compare with `string'
+      (rx-construct blue-cooler)
+
+;;;; Accent mappings
+
+      (accent-0 green-warmer)
+      (accent-1 magenta-warmer)
+      (accent-2 yellow-warmer)
+      (accent-3 green-cooler)
+
+;;;; Date mappings
+
+      (date-common magenta-cooler)
+      (date-deadline magenta)
+      (date-event fg-alt)
+      (date-holiday green)
+      (date-now fg-main)
+      (date-range fg-alt)
+      (date-scheduled yellow-cooler)
+      (date-weekday magenta-cooler)
+      (date-weekend red-cooler)
+
+;;;; Prose mappings
+
+      (prose-code magenta-warmer)
+      (prose-done green-cooler)
+      (prose-macro red-cooler)
+      (prose-metadata fg-dim)
+      (prose-metadata-value fg-alt)
+      (prose-table fg-alt)
+      (prose-table-formula info)
+      (prose-tag yellow-faint)
+      (prose-todo red-warmer)
+      (prose-verbatim cyan-cooler)
+
+;;;; Mail mappings
+
+      (mail-cite-0 green-cooler)
+      (mail-cite-1 cyan-cooler)
+      (mail-cite-2 red-cooler)
+      (mail-cite-3 yellow-warmer)
+      (mail-part magenta-cooler)
+      (mail-recipient magenta)
+      (mail-subject green-warmer)
+      (mail-other magenta-warmer)
+
+;;;; Space mappings
+
+      (bg-space unspecified)
+      (fg-space border)
+      (bg-space-err bg-yellow-intense)
+
+;;;; Tab mappings
+
+      (bg-tab-bar      bg-alt)
+      (bg-tab-current  bg-main)
+      (bg-tab-other    bg-active)
+
+;;;; Rainbow mappings
+
+      (rainbow-0 magenta-warmer)
+      (rainbow-1 green-warmer)
+      (rainbow-2 magenta)
+      (rainbow-3 yellow-cooler)
+      (rainbow-4 magenta-cooler)
+      (rainbow-5 red-cooler)
+      (rainbow-6 green)
+      (rainbow-7 yellow-warmer)
+      (rainbow-8 cyan-cooler))
+    "The `ef-rosa' palette.
+Color values have the form (COLOR-NAME HEX-VALUE) with the former
+as a symbol and the latter as a string.
+
+Semantic color mappings have the form (MAPPING-NAME COLOR-NAME)
+with both as symbols.  The latter is a color that already exists
+in the palette and is associated with a HEX-VALUE.")
+
+  (defcustom ef-rosa-palette-overrides nil
+    "Overrides for `ef-rosa-palette'.
+
+Mirror the elements of the aforementioned palette, overriding
+their value.
+
+For overrides that are shared across all of the Ef themes,
+refer to `ef-themes-common-palette-overrides'.
+
+To preview the palette entries, use `ef-themes-preview-colors' or
+`ef-themes-preview-colors-current' (read the documentation for
+further details)."
+  :group 'ef-themes
+  :package-version '(ef-themes . "1.0.0")
+  :type '(repeat (list symbol (choice symbol string)))
+  :link '(info-link "(ef-themes) Palette overrides"))
+
+  (ef-themes-theme ef-rosa ef-rosa-palette ef-rosa-palette-overrides)
+
+  (provide-theme 'ef-rosa))
+
+;;; ef-rosa-theme.el ends here
diff --git a/ef-themes.el b/ef-themes.el
index f31b4d6..71e9a92 100644
--- a/ef-themes.el
+++ b/ef-themes.el
@@ -87,6 +87,7 @@
     ef-maris-dark
     ef-melissa-dark
     ef-night
+    ef-rosa
     ef-symbiosis
     ef-trio-dark
     ef-tritanopia-dark