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Recommended Values for Use in Colour Examples and Unit Tests
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| import numpy as np | |
| import colour | |
| np.set_printoptions(formatter={'float': '{:0.8f}'.format}, threshold=np.nan) | |
| print('Recommended Values for Use in Colour Examples and Unit Tests') | |
| print() | |
| print('Illuminants "xy"') | |
| print() | |
| print('D65', ':', | |
| repr(colour.ILLUMINANTS['CIE 1931 2 Degree Standard Observer']['D65'])) | |
| print('D50', ':', | |
| repr(colour.ILLUMINANTS['CIE 1931 2 Degree Standard Observer']['D50'])) | |
| print('A', ':', | |
| repr(colour.ILLUMINANTS['CIE 1931 2 Degree Standard Observer']['A'])) | |
| print('E', ':', | |
| repr(colour.ILLUMINANTS['CIE 1931 2 Degree Standard Observer']['E'])) | |
| print('F2', ':', | |
| repr(colour.ILLUMINANTS['CIE 1931 2 Degree Standard Observer']['F2'])) | |
| print('CC I', ':', repr(colour.COLOURCHECKERS['ColorChecker 2005'].illuminant)) | |
| print() | |
| print() | |
| D65 = colour.xy_to_XYZ( | |
| colour.ILLUMINANTS['CIE 1931 2 Degree Standard Observer']['D65']) | |
| D50 = colour.xy_to_XYZ( | |
| colour.ILLUMINANTS['CIE 1931 2 Degree Standard Observer']['D50']) | |
| A = colour.xy_to_XYZ( | |
| colour.ILLUMINANTS['CIE 1931 2 Degree Standard Observer']['A']) | |
| F2 = colour.xy_to_XYZ( | |
| colour.ILLUMINANTS['CIE 1931 2 Degree Standard Observer']['F2']) | |
| E = colour.xy_to_XYZ( | |
| colour.ILLUMINANTS['CIE 1931 2 Degree Standard Observer']['E']) | |
| CC_I = colour.xy_to_XYZ(colour.COLOURCHECKERS['ColorChecker 2005'].illuminant) | |
| print('Illuminants "XYZ"') | |
| print() | |
| print('D65', ':', repr(D65)) | |
| print('D50', ':', repr(D50)) | |
| print('A', ':', repr(A)) | |
| print('F2', ':', repr(F2)) | |
| print('E', ':', repr(E)) | |
| print('CC I', ':', repr(CC_I)) | |
| print() | |
| print() | |
| for name, illuminant in { | |
| 'D65': D65, | |
| 'D50': D50, | |
| 'A': A, | |
| 'E': E, | |
| 'F2': F2 | |
| }.items(): | |
| print('ColorChecker 2005 "XYZ" Adapted to "{0}"'.format(name)) | |
| print() | |
| for swatch in [ | |
| 'red', | |
| 'green', | |
| 'blue', | |
| 'cyan', | |
| 'yellow', | |
| 'magenta', | |
| 'neutral 5 (.70 D)', | |
| ]: | |
| XYZ = colour.xyY_to_XYZ( | |
| colour.COLOURCHECKERS['ColorChecker 2005'].data[swatch]) | |
| print(swatch, ':', | |
| repr(colour.chromatic_adaptation(XYZ, CC_I, illuminant))) | |
| print() | |
| print() | |
| for name, illuminant in { | |
| 'D65': D65, | |
| 'D50': D50, | |
| 'A': A, | |
| 'E': E, | |
| 'F2': F2 | |
| }.items(): | |
| print('Luminance "XYZ" Adapted to "{0}"'.format(name)) | |
| print() | |
| for swatch in [ | |
| 'red', | |
| 'green', | |
| 'blue', | |
| 'cyan', | |
| 'yellow', | |
| 'magenta', | |
| 'neutral 5 (.70 D)', | |
| ]: | |
| XYZ = colour.xyY_to_XYZ( | |
| colour.COLOURCHECKERS['ColorChecker 2005'].data[swatch]) | |
| print(swatch, ':', '{:0.8f}'.format( | |
| colour.chromatic_adaptation(XYZ, CC_I, illuminant)[1] * 100)) | |
| print() | |
| print() | |
| for name, illuminant in {'D65': D65}.items(): | |
| print('ColorChecker 2005 "sRGB - Linear" under "{0}"'.format(name)) | |
| print() | |
| for swatch in [ | |
| 'red', | |
| 'green', | |
| 'blue', | |
| 'cyan', | |
| 'yellow', | |
| 'magenta', | |
| 'neutral 5 (.70 D)', | |
| ]: | |
| XYZ = colour.xyY_to_XYZ( | |
| colour.COLOURCHECKERS['ColorChecker 2005'].data[swatch]) | |
| print(swatch, ':', | |
| repr( | |
| colour.XYZ_to_sRGB( | |
| XYZ, | |
| colour.COLOURCHECKERS['ColorChecker 2005'].illuminant, | |
| apply_encoding_cctf=False))) | |
| print() | |
| print() | |
| for name, illuminant in {'D65': D65}.items(): | |
| print('ColorChecker 2005 "sRGB - OETF" under "{0}"'.format(name)) | |
| print() | |
| for swatch in [ | |
| 'red', | |
| 'green', | |
| 'blue', | |
| 'cyan', | |
| 'yellow', | |
| 'magenta', | |
| 'neutral 5 (.70 D)', | |
| ]: | |
| XYZ = colour.xyY_to_XYZ( | |
| colour.COLOURCHECKERS['ColorChecker 2005'].data[swatch]) | |
| print(swatch, ':', | |
| repr( | |
| colour.XYZ_to_sRGB( | |
| XYZ, | |
| colour.COLOURCHECKERS['ColorChecker 2005'].illuminant))) | |
| print() | |
| print() | |
| for name, illuminant in {'D65': D65}.items(): | |
| print('ColorChecker 2005 "Munsell Value"') | |
| print() | |
| for swatch in [ | |
| 'red', | |
| 'green', | |
| 'blue', | |
| 'cyan', | |
| 'yellow', | |
| 'magenta', | |
| 'neutral 5 (.70 D)', | |
| ]: | |
| XYZ = colour.xyY_to_XYZ( | |
| colour.COLOURCHECKERS['ColorChecker 2005'].data[swatch]) | |
| XYZ = colour.chromatic_adaptation( | |
| XYZ, D50, | |
| colour.xy_to_XYZ( | |
| colour.notation.munsell. | |
| MUNSELL_DEFAULT_ILLUMINANT_CHROMATICITY_COORDINATES)) | |
| xyY = colour.XYZ_to_xyY(XYZ) | |
| print(swatch, ':', '{:0.8f}'.format( | |
| colour.munsell_value(xyY[-1] * 100))) | |
| print() | |
| print() | |
| for name, illuminant in {'D65': D65}.items(): | |
| print('ColorChecker 2005 "ASTM D1535-08e1 Luminance"') | |
| print() | |
| for swatch in [ | |
| 'red', | |
| 'green', | |
| 'blue', | |
| 'cyan', | |
| 'yellow', | |
| 'magenta', | |
| 'neutral 5 (.70 D)', | |
| ]: | |
| XYZ = colour.xyY_to_XYZ( | |
| colour.COLOURCHECKERS['ColorChecker 2005'].data[swatch]) | |
| XYZ = colour.chromatic_adaptation( | |
| XYZ, D50, | |
| colour.xy_to_XYZ( | |
| colour.notation.munsell. | |
| MUNSELL_DEFAULT_ILLUMINANT_CHROMATICITY_COORDINATES)) | |
| xyY = colour.XYZ_to_xyY(XYZ) | |
| print(swatch, ':', '{:0.8f}'.format( | |
| colour.colorimetry.luminance_ASTMD153508( | |
| colour.munsell_value(xyY[-1] * 100)))) | |
| print() | |
| print() |
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| Recommended Values for Use in Colour Examples and Unit Tests | |
| Illuminants "xy" | |
| D65 : array([0.31270000, 0.32900000]) | |
| D50 : array([0.34570000, 0.35850000]) | |
| A : array([0.44757000, 0.40745000]) | |
| E : array([0.33333333, 0.33333333]) | |
| F2 : array([0.37208000, 0.37529000]) | |
| CC I : array([0.34570000, 0.35850000]) | |
| Illuminants "XYZ" | |
| D65 : array([0.95045593, 1.00000000, 1.08905775]) | |
| D50 : array([0.96429568, 1.00000000, 0.82510460]) | |
| A : array([1.09846607, 1.00000000, 0.35582280]) | |
| F2 : array([0.99144661, 1.00000000, 0.67315942]) | |
| E : array([1.00000000, 1.00000000, 1.00000000]) | |
| CC I : array([0.96429568, 1.00000000, 0.82510460]) | |
| ColorChecker 2005 "XYZ" Adapted to "D65" | |
| red : array([0.20654008, 0.12197225, 0.05136952]) | |
| green : array([0.14222010, 0.23042768, 0.10495772]) | |
| blue : array([0.07818780, 0.06157201, 0.28099326]) | |
| cyan : array([0.14525849, 0.19799077, 0.40724370]) | |
| yellow : array([0.55676530, 0.58671628, 0.09785344]) | |
| magenta : array([0.30795495, 0.20024152, 0.31071274]) | |
| neutral 5 (.70 D) : array([0.18182171, 0.19153665, 0.21009620]) | |
| ColorChecker 2005 "XYZ" Adapted to "D50" | |
| red : array([0.21638819, 0.12570000, 0.03847493]) | |
| green : array([0.14985004, 0.23180000, 0.07900179]) | |
| blue : array([0.06857861, 0.05750000, 0.21375591]) | |
| cyan : array([0.13605127, 0.19300000, 0.30938736]) | |
| yellow : array([0.59342537, 0.59810000, 0.07188823]) | |
| magenta : array([0.31084193, 0.20090000, 0.23565391]) | |
| neutral 5 (.70 D) : array([0.18438363, 0.19150000, 0.15918203]) | |
| ColorChecker 2005 "XYZ" Adapted to "A" | |
| red : array([0.25330530, 0.13765139, 0.01543307]) | |
| green : array([0.18673833, 0.23111171, 0.03285972]) | |
| blue : array([0.05610693, 0.04992541, 0.09429057]) | |
| cyan : array([0.13623492, 0.18062024, 0.13553082]) | |
| yellow : array([0.73088905, 0.62177441, 0.02548927]) | |
| magenta : array([0.34280970, 0.20770559, 0.10214220]) | |
| neutral 5 (.70 D) : array([0.20988974, 0.19141324, 0.06866269]) | |
| ColorChecker 2005 "XYZ" Adapted to "E" | |
| red : array([0.21781186, 0.12541048, 0.04697113]) | |
| green : array([0.15434689, 0.22960951, 0.09620221]) | |
| blue : array([0.07683480, 0.06006092, 0.25833845]) | |
| cyan : array([0.14893167, 0.19487065, 0.37427698]) | |
| yellow : array([0.59874058, 0.59196415, 0.08899633]) | |
| magenta : array([0.31991986, 0.20277158, 0.28536138]) | |
| neutral 5 (.70 D) : array([0.19126715, 0.19151544, 0.19291812]) | |
| ColorChecker 2005 "XYZ" Adapted to "F2" | |
| red : array([0.22545552, 0.12877805, 0.03103172]) | |
| green : array([0.15832594, 0.23204226, 0.06406107]) | |
| blue : array([0.06385467, 0.05509729, 0.17506386]) | |
| cyan : array([0.13364947, 0.18951306, 0.25307753]) | |
| yellow : array([0.62718558, 0.60525456, 0.05690008]) | |
| magenta : array([0.31720246, 0.20226568, 0.19243480]) | |
| neutral 5 (.70 D) : array([0.18952683, 0.19147512, 0.12987334]) | |
| Luminance "XYZ" Adapted to "D65" | |
| red : 12.19722535 | |
| green : 23.04276781 | |
| blue : 6.15720079 | |
| cyan : 19.79907683 | |
| yellow : 58.67162787 | |
| magenta : 20.02415243 | |
| neutral 5 (.70 D) : 19.15366501 | |
| Luminance "XYZ" Adapted to "D50" | |
| red : 12.57000000 | |
| green : 23.18000000 | |
| blue : 5.75000000 | |
| cyan : 19.30000000 | |
| yellow : 59.81000000 | |
| magenta : 20.09000000 | |
| neutral 5 (.70 D) : 19.15000000 | |
| Luminance "XYZ" Adapted to "A" | |
| red : 13.76513858 | |
| green : 23.11117127 | |
| blue : 4.99254109 | |
| cyan : 18.06202404 | |
| yellow : 62.17744084 | |
| magenta : 20.77055938 | |
| neutral 5 (.70 D) : 19.14132354 | |
| Luminance "XYZ" Adapted to "E" | |
| red : 12.54104823 | |
| green : 22.96095053 | |
| blue : 6.00609174 | |
| cyan : 19.48706483 | |
| yellow : 59.19641488 | |
| magenta : 20.27715822 | |
| neutral 5 (.70 D) : 19.15154358 | |
| Luminance "XYZ" Adapted to "F2" | |
| red : 12.87780528 | |
| green : 23.20422641 | |
| blue : 5.50972884 | |
| cyan : 18.95130571 | |
| yellow : 60.52545632 | |
| magenta : 20.22656850 | |
| neutral 5 (.70 D) : 19.14751195 | |
| ColorChecker 2005 "sRGB - Linear" under "D65" | |
| red : array([0.45620519, 0.03081071, 0.04091952]) | |
| green : array([0.05433312, 0.29879493, 0.07185472]) | |
| blue : array([0.01862364, 0.05140184, 0.28880425]) | |
| cyan : array([-0.03667845, 0.24755074, 0.39815738]) | |
| yellow : array([0.85356364, 0.56517342, 0.01475279]) | |
| magenta : array([0.53522616, 0.09013008, 0.30472718]) | |
| neutral 5 (.70 D) : array([0.19002735, 0.19183638, 0.19312568]) | |
| ColorChecker 2005 "sRGB - OETF" under "D65" | |
| red : array([0.70573936, 0.19248268, 0.22354168]) | |
| green : array([0.25847007, 0.58276101, 0.29718877]) | |
| blue : array([0.14565317, 0.25130933, 0.57378757]) | |
| cyan : array([-0.47388561, 0.53467479, 0.66380090]) | |
| yellow : array([0.93264474, 0.77675390, 0.12708884]) | |
| magenta : array([0.75809823, 0.33206288, 0.58800664]) | |
| neutral 5 (.70 D) : array([0.47315229, 0.47524148, 0.47672343]) | |
| ColorChecker 2005 "Munsell Value" | |
| red : 4.08244375 | |
| green : 5.39132685 | |
| blue : 2.97619312 | |
| cyan : 5.06675596 | |
| yellow : 8.04387670 | |
| magenta : 5.10225899 | |
| neutral 5 (.70 D) : 4.98656896 | |
| ColorChecker 2005 "ASTM D1535-08e1 Luminance" | |
| red : 12.23634268 | |
| green : 22.89399987 | |
| blue : 6.29022535 | |
| cyan : 19.86282567 | |
| yellow : 58.37987916 | |
| magenta : 20.18160934 | |
| neutral 5 (.70 D) : 19.15426585 |
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