Ef themes: contrast ratios of the main colours
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Evaluate these snippets, otherwise the tables will not work. Then
update a table by typing C-c C-c with point at the #+TBLFM: line.
;; Copied from my `modus-thmes'.
;; This is the WCAG formula to measure relative luminance:
;; <https://www.w3.org/TR/WCAG20-TECHS/G18.html>.
(defun modus-themes-wcag-formula (hex)
"Get WCAG value of color value HEX.
The value is defined in hexadecimal RGB notation, such as those in
`modus-themes-operandi-colors' and `modus-themes-vivendi-colors'."
(cl-loop for k in '(0.2126 0.7152 0.0722)
for x in (color-name-to-rgb hex)
sum (* k (if (<= x 0.03928)
(/ x 12.92)
(expt (/ (+ x 0.055) 1.055) 2.4)))))
;;;###autoload
(defun modus-themes-contrast (c1 c2)
"Measure WCAG contrast ratio between C1 and C2.
C1 and C2 are color values written in hexadecimal RGB."
(let ((ct (/ (+ (modus-themes-wcag-formula c1) 0.05)
(+ (modus-themes-wcag-formula c2) 0.05))))
(max ct (/ ct))))
(defalias #'Λ #'modus-themes-contrast)
ef-autumn
| Name |
|
#0f0e06 |
#1f1b19 |
#36322f |
| fg-main |
#cfbcba |
10.64 |
9.40 |
6.99 |
| fg-dim |
#887c8a |
4.88 |
4.31 |
3.20 |
| fg-alt |
#70a89f |
7.18 |
6.34 |
4.71 |
| red |
#ef656a |
6.21 |
5.48 |
4.07 |
| red-warmer |
#f26f25 |
6.52 |
5.76 |
4.28 |
| red-cooler |
#f07f7f |
7.41 |
6.55 |
4.86 |
| red-faint |
#d08f72 |
7.23 |
6.39 |
4.75 |
| green |
#2fa526 |
6.02 |
5.31 |
3.95 |
| green-warmer |
#64aa0f |
6.72 |
5.94 |
4.41 |
| green-cooler |
#00b672 |
7.31 |
6.46 |
4.80 |
| green-faint |
#519068 |
5.10 |
4.51 |
3.35 |
| yellow |
#c48502 |
6.17 |
5.45 |
4.05 |
| yellow-warmer |
#e0832f |
6.87 |
6.07 |
4.51 |
| yellow-cooler |
#df8f6f |
7.64 |
6.75 |
5.02 |
| yellow-faint |
#cf9f7f |
8.21 |
7.26 |
5.39 |
| blue |
#379cf6 |
6.68 |
5.90 |
4.38 |
| blue-warmer |
#6a88ff |
6.06 |
5.35 |
3.98 |
| blue-cooler |
#029fff |
6.82 |
6.03 |
4.48 |
| blue-faint |
#6a84af |
5.10 |
4.50 |
3.34 |
| magenta |
#d570af |
6.23 |
5.50 |
4.09 |
| magenta-warmer |
#e580ea |
7.93 |
7.00 |
5.20 |
| magenta-cooler |
#af8aff |
7.28 |
6.43 |
4.78 |
| magenta-faint |
#c590af |
7.35 |
6.49 |
4.83 |
| cyan |
#4fb0cf |
7.78 |
6.87 |
5.10 |
| cyan-warmer |
#6fafff |
8.52 |
7.53 |
5.59 |
| cyan-cooler |
#3dbbb0 |
8.23 |
7.27 |
5.40 |
| cyan-faint |
#82a0af |
7.00 |
6.18 |
4.59 |
ef-day
| Name |
|
#fff5ea |
#f5eddf |
#e9e0d8 |
| fg-main |
#584141 |
8.68 |
8.04 |
7.17 |
| fg-dim |
#63728f |
4.50 |
4.17 |
3.72 |
| fg-alt |
#8f5f4a |
5.00 |
4.63 |
4.13 |
| red |
#ba2d2f |
5.57 |
5.15 |
4.60 |
| red-warmer |
#ce3f00 |
4.50 |
4.17 |
3.72 |
| red-cooler |
#cf2f4f |
4.67 |
4.33 |
3.86 |
| red-faint |
#b05350 |
4.64 |
4.30 |
3.84 |
| green |
#2a7a0c |
5.02 |
4.65 |
4.15 |
| green-warmer |
#437000 |
5.48 |
5.08 |
4.53 |
| green-cooler |
#0f7f5f |
4.62 |
4.28 |
3.82 |
| green-faint |
#61756c |
4.57 |
4.23 |
3.78 |
| yellow |
#a45a22 |
4.80 |
4.44 |
3.97 |
| yellow-warmer |
#b75515 |
4.51 |
4.18 |
3.73 |
| yellow-cooler |
#aa4f30 |
5.04 |
4.67 |
4.16 |
| yellow-faint |
#a05f5a |
4.56 |
4.22 |
3.77 |
| blue |
#375cc6 |
5.56 |
5.15 |
4.59 |
| blue-warmer |
#5f5fdf |
4.66 |
4.31 |
3.85 |
| blue-cooler |
#265fbf |
5.62 |
5.20 |
4.64 |
| blue-faint |
#4a659f |
5.34 |
4.94 |
4.41 |
| magenta |
#ca3e54 |
4.51 |
4.17 |
3.72 |
| magenta-warmer |
#cb2f80 |
4.58 |
4.24 |
3.79 |
| magenta-cooler |
#8448aa |
5.59 |
5.18 |
4.62 |
| magenta-faint |
#a04450 |
5.67 |
5.25 |
4.69 |
| cyan |
#3f60af |
5.57 |
5.16 |
4.60 |
| cyan-warmer |
#3f6faf |
4.75 |
4.40 |
3.93 |
| cyan-cooler |
#0f7b8f |
4.59 |
4.25 |
3.79 |
| cyan-faint |
#4f6f8f |
4.87 |
4.51 |
4.03 |
ef-dark
| Name |
|
#000000 |
#1a1a1a |
#2b2b2b |
| fg-main |
#d0d0d0 |
13.62 |
11.28 |
9.18 |
| fg-dim |
#807f9f |
5.45 |
4.52 |
3.68 |
| fg-alt |
#89afef |
9.44 |
7.83 |
6.37 |
| red |
#ef6560 |
6.70 |
5.55 |
4.52 |
| red-warmer |
#f47360 |
7.47 |
6.19 |
5.04 |
| red-cooler |
#ff5a7a |
7.00 |
5.80 |
4.72 |
| red-faint |
#d56f72 |
6.35 |
5.26 |
4.28 |
| green |
#0faa26 |
6.80 |
5.63 |
4.58 |
| green-warmer |
#6aad0f |
7.60 |
6.30 |
5.12 |
| green-cooler |
#00a692 |
6.87 |
5.69 |
4.63 |
| green-faint |
#61a06c |
6.75 |
5.60 |
4.55 |
| yellow |
#c48032 |
6.48 |
5.37 |
4.37 |
| yellow-warmer |
#d1843f |
7.08 |
5.87 |
4.78 |
| yellow-cooler |
#df8f5a |
8.21 |
6.81 |
5.54 |
| yellow-faint |
#cf9f8f |
9.01 |
7.47 |
6.07 |
| blue |
#3f95f6 |
6.84 |
5.67 |
4.61 |
| blue-warmer |
#6a9fff |
8.02 |
6.64 |
5.40 |
| blue-cooler |
#029fff |
7.41 |
6.14 |
4.99 |
| blue-faint |
#7a94df |
7.13 |
5.91 |
4.81 |
| magenta |
#d369af |
6.41 |
5.31 |
4.32 |
| magenta-warmer |
#e580ea |
8.61 |
7.13 |
5.80 |
| magenta-cooler |
#af85ff |
7.62 |
6.32 |
5.14 |
| magenta-faint |
#c57faf |
7.03 |
5.83 |
4.74 |
| cyan |
#4fbaef |
9.60 |
7.96 |
6.47 |
| cyan-warmer |
#6fafff |
9.25 |
7.67 |
6.24 |
| cyan-cooler |
#1dbfcf |
9.41 |
7.80 |
6.34 |
| cyan-faint |
#8aa0df |
8.17 |
6.77 |
5.51 |
ef-light
| Name |
|
#ffffff |
#efefef |
#dbdbdb |
| fg-main |
#202020 |
16.29 |
14.17 |
11.77 |
| fg-dim |
#70627f |
5.61 |
4.88 |
4.05 |
| fg-alt |
#196f70 |
5.92 |
5.15 |
4.27 |
| red |
#d3303a |
4.94 |
4.29 |
3.57 |
| red-warmer |
#e00033 |
4.98 |
4.33 |
3.60 |
| red-cooler |
#d50f7f |
5.00 |
4.34 |
3.61 |
| red-faint |
#c24552 |
4.92 |
4.28 |
3.55 |
| green |
#217a3c |
5.37 |
4.67 |
3.88 |
| green-warmer |
#4a7d00 |
4.97 |
4.32 |
3.59 |
| green-cooler |
#008858 |
4.50 |
3.92 |
3.25 |
| green-faint |
#61756c |
4.92 |
4.28 |
3.55 |
| yellow |
#a45f22 |
4.95 |
4.31 |
3.58 |
| yellow-warmer |
#b6532f |
4.92 |
4.28 |
3.55 |
| yellow-cooler |
#b65050 |
4.94 |
4.29 |
3.57 |
| yellow-faint |
#a65f6a |
4.70 |
4.09 |
3.40 |
| blue |
#375cd8 |
5.70 |
4.96 |
4.12 |
| blue-warmer |
#4250ef |
5.79 |
5.04 |
4.18 |
| blue-cooler |
#065fff |
5.14 |
4.47 |
3.71 |
| blue-faint |
#6060d0 |
5.15 |
4.47 |
3.72 |
| magenta |
#ba35af |
4.98 |
4.33 |
3.60 |
| magenta-warmer |
#cf25aa |
4.67 |
4.06 |
3.37 |
| magenta-cooler |
#6052cf |
5.82 |
5.07 |
4.21 |
| magenta-faint |
#bf3580 |
5.20 |
4.52 |
3.76 |
| cyan |
#1f6fbf |
5.14 |
4.47 |
3.71 |
| cyan-warmer |
#3f6faf |
5.12 |
4.45 |
3.70 |
| cyan-cooler |
#1f77bb |
4.76 |
4.14 |
3.44 |
| cyan-faint |
#506fa0 |
5.09 |
4.43 |
3.68 |
ef-night
| Name |
|
#000e17 |
#0f1b29 |
#1a2a2f |
| fg-main |
#afbcbf |
10.02 |
8.91 |
7.60 |
| fg-dim |
#70819f |
4.96 |
4.41 |
3.76 |
| fg-alt |
#b0a0a0 |
7.80 |
6.93 |
5.92 |
| red |
#ef656a |
6.27 |
5.57 |
4.76 |
| red-warmer |
#f47360 |
6.95 |
6.18 |
5.27 |
| red-cooler |
#ef798f |
7.26 |
6.45 |
5.51 |
| red-faint |
#d56f72 |
5.90 |
5.25 |
4.48 |
| green |
#1fa526 |
6.02 |
5.35 |
4.57 |
| green-warmer |
#50a22f |
6.09 |
5.42 |
4.63 |
| green-cooler |
#00b672 |
7.38 |
6.56 |
5.60 |
| green-faint |
#61a06c |
6.28 |
5.59 |
4.77 |
| yellow |
#c48502 |
6.23 |
5.54 |
4.73 |
| yellow-warmer |
#e6832f |
7.12 |
6.33 |
5.40 |
| yellow-cooler |
#df8f6f |
7.72 |
6.86 |
5.86 |
| yellow-faint |
#cf9f7f |
8.30 |
7.38 |
6.30 |
| blue |
#379cf6 |
6.74 |
6.00 |
5.12 |
| blue-warmer |
#6a88ff |
6.12 |
5.44 |
4.65 |
| blue-cooler |
#029fff |
6.89 |
6.13 |
5.23 |
| blue-faint |
#7a94df |
6.63 |
5.90 |
5.03 |
| magenta |
#d570af |
6.29 |
5.60 |
4.78 |
| magenta-warmer |
#e580ea |
8.01 |
7.12 |
6.08 |
| magenta-cooler |
#af8aff |
7.35 |
6.54 |
5.58 |
| magenta-faint |
#c59faf |
8.33 |
7.40 |
6.32 |
| cyan |
#4fb0cf |
7.85 |
6.98 |
5.96 |
| cyan-warmer |
#6fafff |
8.60 |
7.65 |
6.53 |
| cyan-cooler |
#3dc0b0 |
8.71 |
7.75 |
6.61 |
| cyan-faint |
#92b4df |
9.13 |
8.12 |
6.93 |
ef-spring
| Name |
|
#f6fff9 |
#e8f0f0 |
#e0e6e3 |
| fg-main |
#3f4946 |
9.14 |
8.06 |
7.37 |
| fg-dim |
#707586 |
4.50 |
3.97 |
3.63 |
| fg-alt |
#9d5e7a |
4.77 |
4.21 |
3.85 |
| red |
#c42d2f |
5.47 |
4.82 |
4.41 |
| red-warmer |
#d03003 |
5.01 |
4.42 |
4.04 |
| red-cooler |
#cf2f4f |
4.93 |
4.35 |
3.98 |
| red-faint |
#b64850 |
5.11 |
4.50 |
4.12 |
| green |
#14872f |
4.54 |
4.00 |
3.66 |
| green-warmer |
#4a7d00 |
4.87 |
4.30 |
3.93 |
| green-cooler |
#007f68 |
4.86 |
4.29 |
3.92 |
| green-faint |
#61756c |
4.82 |
4.25 |
3.89 |
| yellow |
#a45f22 |
4.86 |
4.28 |
3.92 |
| yellow-warmer |
#b6540f |
4.83 |
4.26 |
3.89 |
| yellow-cooler |
#ae5a30 |
4.78 |
4.22 |
3.86 |
| yellow-faint |
#876450 |
5.19 |
4.57 |
4.18 |
| blue |
#375cc6 |
5.87 |
5.17 |
4.73 |
| blue-warmer |
#5f5fdf |
4.92 |
4.33 |
3.96 |
| blue-cooler |
#265fbf |
5.93 |
5.23 |
4.78 |
| blue-faint |
#6a65bf |
4.87 |
4.30 |
3.93 |
| magenta |
#d5206f |
4.83 |
4.26 |
3.89 |
| magenta-warmer |
#cb26a0 |
4.76 |
4.20 |
3.84 |
| magenta-cooler |
#9435b4 |
6.01 |
5.30 |
4.84 |
| magenta-faint |
#a04450 |
5.99 |
5.28 |
4.83 |
| cyan |
#1f6fbf |
5.04 |
4.44 |
4.06 |
| cyan-warmer |
#3f6faf |
5.02 |
4.42 |
4.04 |
| cyan-cooler |
#0f7b8f |
4.84 |
4.27 |
3.91 |
| cyan-faint |
#5f60bf |
5.26 |
4.64 |
4.24 |
ef-summer
| Name |
|
#fff2f3 |
#fbe3ef |
#efd0e4 |
| fg-main |
#5f456f |
7.50 |
6.75 |
5.77 |
| fg-dim |
#68717f |
4.52 |
4.07 |
3.48 |
| fg-alt |
#af506f |
4.58 |
4.13 |
3.53 |
| red |
#d3303a |
4.52 |
4.08 |
3.48 |
| red-warmer |
#e00033 |
4.56 |
4.11 |
3.51 |
| red-cooler |
#d50f7f |
4.58 |
4.12 |
3.52 |
| red-faint |
#c24552 |
4.51 |
4.06 |
3.47 |
| green |
#217a3c |
4.92 |
4.43 |
3.78 |
| green-warmer |
#4a7d00 |
4.56 |
4.10 |
3.51 |
| green-cooler |
#007f68 |
4.54 |
4.09 |
3.50 |
| green-faint |
#61756c |
4.51 |
4.06 |
3.47 |
| yellow |
#a45f22 |
4.54 |
4.09 |
3.49 |
| yellow-warmer |
#b6532f |
4.51 |
4.06 |
3.47 |
| yellow-cooler |
#b65050 |
4.53 |
4.08 |
3.48 |
| yellow-faint |
#9a5f6a |
4.56 |
4.11 |
3.51 |
| blue |
#375ce6 |
5.02 |
4.52 |
3.86 |
| blue-warmer |
#5250ef |
5.13 |
4.62 |
3.95 |
| blue-cooler |
#065fff |
4.71 |
4.24 |
3.62 |
| blue-faint |
#6060d0 |
4.72 |
4.25 |
3.63 |
| magenta |
#ba35af |
4.57 |
4.11 |
3.51 |
| magenta-warmer |
#cb1aaa |
4.51 |
4.06 |
3.47 |
| magenta-cooler |
#7450df |
4.87 |
4.38 |
3.74 |
| magenta-faint |
#bf3580 |
4.77 |
4.30 |
3.67 |
| cyan |
#1f6fbf |
4.71 |
4.24 |
3.63 |
| cyan-warmer |
#3f6faf |
4.69 |
4.22 |
3.61 |
| cyan-cooler |
#0f7b8f |
4.53 |
4.08 |
3.49 |
| cyan-faint |
#5f60bf |
4.92 |
4.43 |
3.79 |
ef-winter
| Name |
|
#0f0b15 |
#161926 |
#202234 |
| fg-main |
#b8c6d5 |
11.19 |
10.05 |
9.01 |
| fg-dim |
#807c9f |
4.91 |
4.41 |
3.96 |
| fg-alt |
#bf8f8f |
6.99 |
6.28 |
5.63 |
| red |
#f47359 |
6.90 |
6.20 |
5.56 |
| red-warmer |
#ef6560 |
6.21 |
5.58 |
5.00 |
| red-cooler |
#ff6a7a |
7.04 |
6.32 |
5.67 |
| red-faint |
#d56f72 |
5.88 |
5.28 |
4.74 |
| green |
#26a254 |
5.91 |
5.31 |
4.76 |
| green-warmer |
#6aad0f |
7.04 |
6.32 |
5.67 |
| green-cooler |
#00a392 |
6.17 |
5.54 |
4.97 |
| green-faint |
#61a06c |
6.26 |
5.62 |
5.04 |
| yellow |
#c48052 |
6.08 |
5.46 |
4.89 |
| yellow-warmer |
#d1803f |
6.37 |
5.72 |
5.13 |
| yellow-cooler |
#df8a88 |
7.53 |
6.77 |
6.07 |
| yellow-faint |
#c0a38a |
8.20 |
7.37 |
6.60 |
| blue |
#3f95f6 |
6.34 |
5.70 |
5.11 |
| blue-warmer |
#6a9fff |
7.43 |
6.67 |
5.98 |
| blue-cooler |
#029fff |
6.86 |
6.17 |
5.53 |
| blue-faint |
#7a94df |
6.61 |
5.94 |
5.32 |
| magenta |
#d369af |
5.94 |
5.34 |
4.78 |
| magenta-warmer |
#e580e0 |
7.87 |
7.07 |
6.34 |
| magenta-cooler |
#af85ea |
6.83 |
6.13 |
5.50 |
| magenta-faint |
#c57faf |
6.51 |
5.85 |
5.25 |
| cyan |
#4fbaef |
8.90 |
7.99 |
7.17 |
| cyan-warmer |
#6fafdf |
8.22 |
7.39 |
6.62 |
| cyan-cooler |
#35afbf |
7.45 |
6.69 |
6.00 |
| cyan-faint |
#8aa0df |
7.58 |
6.81 |
6.10 |