Useful for colour values, the 'AA' in #RRGGBBAA
alpha = parseInt(hexa,16)/255
for (i=0; i<256; i++) {
console.log(i.toString(16), i/255)
}
- 11 <=> 0.06667
- 22 <=> 0.13333
- 33 <=> 0.2
- 44 <=> 0.26667
- 55 <=> 0.33333
- 66 <=> 0.4
- 77 <=> 0.46667
- 88 <=> 0.53333
- 99 <=> 0.6
- aa <=> 0.66667
- bb <=> 0.73333
- cc <=> 0.8
- dd <=> 0.86667
- ee <=> 0.93333
- ff <=> 1
- 01 <=> 0.00392
- 02 <=> 0.00784
- 03 <=> 0.01176
- 04 <=> 0.01569
- 05 <=> 0.01961
- 06 <=> 0.02353
- 07 <=> 0.02745
- 08 <=> 0.03137
- 09 <=> 0.03529
- 0a <=> 0.03922
- 0b <=> 0.04314
- 0c <=> 0.04706
- 0d <=> 0.05098
- 0e <=> 0.0549
- 0f <=> 0.05882
- 10 <=> 0.06275
- 11 <=> 0.06667
- 12 <=> 0.07059
- 13 <=> 0.07451
- 14 <=> 0.07843
- 15 <=> 0.08235
- 16 <=> 0.08627
- 17 <=> 0.0902
- 18 <=> 0.09412
- 19 <=> 0.09804
- 1a <=> 0.10196
- 1b <=> 0.10588
- 1c <=> 0.1098
- 1d <=> 0.11373
- 1e <=> 0.11765
- 1f <=> 0.12157
- 20 <=> 0.12549
- 21 <=> 0.12941
- 22 <=> 0.13333
- 23 <=> 0.13725
- 24 <=> 0.14118
- 25 <=> 0.1451
- 26 <=> 0.14902
- 27 <=> 0.15294
- 28 <=> 0.15686
- 29 <=> 0.16078
- 2a <=> 0.16471
- 2b <=> 0.16863
- 2c <=> 0.17255
- 2d <=> 0.17647
- 2e <=> 0.18039
- 2f <=> 0.18431
- 30 <=> 0.18824
- 31 <=> 0.19216
- 32 <=> 0.19608
- 33 <=> 0.2
- 34 <=> 0.20392
- 35 <=> 0.20784
- 36 <=> 0.21176
- 37 <=> 0.21569
- 38 <=> 0.21961
- 39 <=> 0.22353
- 3a <=> 0.22745
- 3b <=> 0.23137
- 3c <=> 0.23529
- 3d <=> 0.23922
- 3e <=> 0.24314
- 3f <=> 0.24706
- 40 <=> 0.25098
- 41 <=> 0.2549
- 42 <=> 0.25882
- 43 <=> 0.26275
- 44 <=> 0.26667
- 45 <=> 0.27059
- 46 <=> 0.27451
- 47 <=> 0.27843
- 48 <=> 0.28235
- 49 <=> 0.28627
- 4a <=> 0.2902
- 4b <=> 0.29412
- 4c <=> 0.29804
- 4d <=> 0.30196
- 4e <=> 0.30588
- 4f <=> 0.3098
- 50 <=> 0.31373
- 51 <=> 0.31765
- 52 <=> 0.32157
- 53 <=> 0.32549
- 54 <=> 0.32941
- 55 <=> 0.33333
- 56 <=> 0.33725
- 57 <=> 0.34118
- 58 <=> 0.3451
- 59 <=> 0.34902
- 5a <=> 0.35294
- 5b <=> 0.35686
- 5c <=> 0.36078
- 5d <=> 0.36471
- 5e <=> 0.36863
- 5f <=> 0.37255
- 60 <=> 0.37647
- 61 <=> 0.38039
- 62 <=> 0.38431
- 63 <=> 0.38824
- 64 <=> 0.39216
- 65 <=> 0.39608
- 66 <=> 0.4
- 67 <=> 0.40392
- 68 <=> 0.40784
- 69 <=> 0.41176
- 6a <=> 0.41569
- 6b <=> 0.41961
- 6c <=> 0.42353
- 6d <=> 0.42745
- 6e <=> 0.43137
- 6f <=> 0.43529
- 70 <=> 0.43922
- 71 <=> 0.44314
- 72 <=> 0.44706
- 73 <=> 0.45098
- 74 <=> 0.4549
- 75 <=> 0.45882
- 76 <=> 0.46275
- 77 <=> 0.46667
- 78 <=> 0.47059
- 79 <=> 0.47451
- 7a <=> 0.47843
- 7b <=> 0.48235
- 7c <=> 0.48627
- 7d <=> 0.4902
- 7e <=> 0.49412
- 7f <=> 0.49804
- 80 <=> 0.50196
- 81 <=> 0.50588
- 82 <=> 0.5098
- 83 <=> 0.51373
- 84 <=> 0.51765
- 85 <=> 0.52157
- 86 <=> 0.52549
- 87 <=> 0.52941
- 88 <=> 0.53333
- 89 <=> 0.53725
- 8a <=> 0.54118
- 8b <=> 0.5451
- 8c <=> 0.54902
- 8d <=> 0.55294
- 8e <=> 0.55686
- 8f <=> 0.56078
- 90 <=> 0.56471
- 91 <=> 0.56863
- 92 <=> 0.57255
- 93 <=> 0.57647
- 94 <=> 0.58039
- 95 <=> 0.58431
- 96 <=> 0.58824
- 97 <=> 0.59216
- 98 <=> 0.59608
- 99 <=> 0.6
- 9a <=> 0.60392
- 9b <=> 0.60784
- 9c <=> 0.61176
- 9d <=> 0.61569
- 9e <=> 0.61961
- 9f <=> 0.62353
- a0 <=> 0.62745
- a1 <=> 0.63137
- a2 <=> 0.63529
- a3 <=> 0.63922
- a4 <=> 0.64314
- a5 <=> 0.64706
- a6 <=> 0.65098
- a7 <=> 0.6549
- a8 <=> 0.65882
- a9 <=> 0.66275
- aa <=> 0.66667
- ab <=> 0.67059
- ac <=> 0.67451
- ad <=> 0.67843
- ae <=> 0.68235
- af <=> 0.68627
- b0 <=> 0.6902
- b1 <=> 0.69412
- b2 <=> 0.69804
- b3 <=> 0.70196
- b4 <=> 0.70588
- b5 <=> 0.7098
- b6 <=> 0.71373
- b7 <=> 0.71765
- b8 <=> 0.72157
- b9 <=> 0.72549
- ba <=> 0.72941
- bb <=> 0.73333
- bc <=> 0.73725
- bd <=> 0.74118
- be <=> 0.7451
- bf <=> 0.74902
- c0 <=> 0.75294
- c1 <=> 0.75686
- c2 <=> 0.76078
- c3 <=> 0.76471
- c4 <=> 0.76863
- c5 <=> 0.77255
- c6 <=> 0.77647
- c7 <=> 0.78039
- c8 <=> 0.78431
- c9 <=> 0.78824
- ca <=> 0.79216
- cb <=> 0.79608
- cc <=> 0.8
- cd <=> 0.80392
- ce <=> 0.80784
- cf <=> 0.81176
- d0 <=> 0.81569
- d1 <=> 0.81961
- d2 <=> 0.82353
- d3 <=> 0.82745
- d4 <=> 0.83137
- d5 <=> 0.83529
- d6 <=> 0.83922
- d7 <=> 0.84314
- d8 <=> 0.84706
- d9 <=> 0.85098
- da <=> 0.8549
- db <=> 0.85882
- dc <=> 0.86275
- dd <=> 0.86667
- de <=> 0.87059
- df <=> 0.87451
- e0 <=> 0.87843
- e1 <=> 0.88235
- e2 <=> 0.88627
- e3 <=> 0.8902
- e4 <=> 0.89412
- e5 <=> 0.89804
- e6 <=> 0.90196
- e7 <=> 0.90588
- e8 <=> 0.9098
- e9 <=> 0.91373
- ea <=> 0.91765
- eb <=> 0.92157
- ec <=> 0.92549
- ed <=> 0.92941
- ee <=> 0.93333
- ef <=> 0.93725
- f0 <=> 0.94118
- f1 <=> 0.9451
- f2 <=> 0.94902
- f3 <=> 0.95294
- f4 <=> 0.95686
- f5 <=> 0.96078
- f6 <=> 0.96471
- f7 <=> 0.96863
- f8 <=> 0.97255
- f9 <=> 0.97647
- fa <=> 0.98039
- fb <=> 0.98431
- fc <=> 0.98824
- fd <=> 0.99216
- fe <=> 0.99608
- ff <=> 1