remitbri/gist:66062dac32b292e03c79

## gistfile1.md

      
    Raw
  

              gistfile1.md
            
          
    hexa to alpha

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