aanazarenko / Lstar

Calculate L* for CIELAB and vice versa from CIELAB to CIEXYZ

I use [CIELAB color space] (https://en.wikipedia.org/wiki/CIELAB_color_space) for formulas

Results of calculations []:

L*=0 Y=0.000000 <---> L*=0
L*=1 Y=0.001107 <---> L*=0
L*=2 Y=0.002214 <---> L*=1
L*=3 Y=0.003321 <---> L*=2
L*=4 Y=0.004428 <---> L*=3
L*=5 Y=0.005535 <---> L*=4
L*=6 Y=0.006642 <---> L*=5
L*=7 Y=0.007749 <---> L*=6
L*=8 Y=0.008856 <---> L*=7
L*=9 Y=0.010010 <---> L*=9
L*=10 Y=0.011260 <---> L*=10
L*=11 Y=0.012610 <---> L*=11
L*=12 Y=0.014064 <---> L*=12
L*=13 Y=0.015625 <---> L*=13
L*=14 Y=0.017298 <---> L*=14
L*=15 Y=0.019086 <---> L*=15
L*=16 Y=0.020993 <---> L*=16
L*=17 Y=0.023023 <---> L*=17
L*=18 Y=0.025180 <---> L*=18
L*=19 Y=0.027468 <---> L*=19
L*=20 Y=0.029891 <---> L*=20
L*=21 Y=0.032451 <---> L*=21
L*=22 Y=0.035154 <---> L*=22
L*=23 Y=0.038003 <---> L*=23
L*=24 Y=0.041002 <---> L*=24
L*=25 Y=0.044155 <---> L*=25
L*=26 Y=0.047465 <---> L*=26
L*=27 Y=0.050937 <---> L*=27
L*=28 Y=0.054574 <---> L*=28
L*=29 Y=0.058380 <---> L*=29
L*=30 Y=0.062359 <---> L*=30
L*=31 Y=0.066515 <---> L*=31
L*=32 Y=0.070852 <---> L*=32
L*=33 Y=0.075373 <---> L*=33
L*=34 Y=0.080082 <---> L*=34
L*=35 Y=0.084984 <---> L*=35
L*=36 Y=0.090082 <---> L*=36
L*=37 Y=0.095379 <---> L*=37
L*=38 Y=0.100881 <---> L*=38
L*=39 Y=0.106589 <---> L*=39
L*=40 Y=0.112510 <---> L*=40
L*=41 Y=0.118645 <---> L*=41
L*=42 Y=0.125000 <---> L*=42
L*=43 Y=0.131578 <---> L*=43
L*=44 Y=0.138382 <---> L*=44
L*=45 Y=0.145417 <---> L*=45
L*=46 Y=0.152687 <---> L*=46
L*=47 Y=0.160195 <---> L*=47
L*=48 Y=0.167945 <---> L*=48
L*=49 Y=0.175941 <---> L*=49
L*=50 Y=0.184187 <---> L*=50
L*=50 Y=0.184187 <---> L*=50
L*=51 Y=0.192686 <---> L*=51
L*=52 Y=0.201443 <---> L*=52
L*=53 Y=0.210462 <---> L*=53
L*=54 Y=0.219746 <---> L*=54
L*=55 Y=0.229298 <---> L*=55
L*=56 Y=0.239124 <---> L*=56
L*=57 Y=0.249227 <---> L*=57
L*=58 Y=0.259610 <---> L*=58
L*=59 Y=0.270277 <---> L*=59
L*=60 Y=0.281233 <---> L*=60
L*=61 Y=0.292481 <---> L*=61
L*=62 Y=0.304025 <---> L*=62
L*=63 Y=0.315869 <---> L*=63
L*=64 Y=0.328017 <---> L*=64
L*=65 Y=0.340472 <---> L*=65
L*=66 Y=0.353238 <---> L*=66
L*=67 Y=0.366320 <---> L*=67
L*=68 Y=0.379720 <---> L*=68
L*=69 Y=0.393444 <---> L*=69
L*=70 Y=0.407494 <---> L*=70
L*=71 Y=0.421875 <---> L*=71
L*=72 Y=0.436590 <---> L*=72
L*=73 Y=0.451644 <---> L*=73
L*=74 Y=0.467039 <---> L*=74
L*=75 Y=0.482781 <---> L*=75
L*=76 Y=0.498872 <---> L*=76
L*=77 Y=0.515317 <---> L*=77
L*=78 Y=0.532120 <---> L*=78
L*=79 Y=0.549284 <---> L*=79
L*=80 Y=0.566813 <---> L*=80
L*=81 Y=0.584711 <---> L*=81
L*=82 Y=0.602982 <---> L*=82
L*=83 Y=0.621629 <---> L*=83
L*=84 Y=0.640658 <---> L*=84
L*=85 Y=0.660070 <---> L*=85
L*=86 Y=0.679871 <---> L*=86
L*=87 Y=0.700064 <---> L*=87
L*=88 Y=0.720653 <---> L*=88
L*=89 Y=0.741641 <---> L*=89
L*=90 Y=0.763034 <---> L*=90
L*=91 Y=0.784833 <---> L*=91
L*=92 Y=0.807044 <---> L*=92
L*=93 Y=0.829670 <---> L*=93
L*=94 Y=0.852715 <---> L*=94
L*=95 Y=0.876183 <---> L*=95
L*=96 Y=0.900078 <---> L*=96
L*=97 Y=0.924403 <---> L*=97
L*=98 Y=0.949163 <---> L*=98
L*=99 Y=0.974360 <---> L*=99
L*=100 Y=1.000000 <---> L*=100