# cpt-city: pk/rainbow/CET-R3 (cpt)
#
# | Diverging-rainbow colourmap. Yellow is the central reference
# | colour. Colours decrease in lightness and increase in chroma
# | as one moves away from the centre. Do _not_ use as a standard
# | rainbow map.
# |
# | CET Perceptually Uniform Colour Maps
# | www.peterkovesi.com/projects/colourmaps/
# |
# | Reference:
# | Peter Kovesi. Good Colour Maps: How to Design Them.
# | arXiv:1509.03700 [cs.GR] 2015
#
# author: Peter Kovesi
# copyright: CC BY 4.0
# year: 2024
# url: https://phillips.shef.ac.uk/pub/cpt-city/pk/rainbow
PSEUDOCOLOR
RED:
(0, 0.031373)(0.00392, 0.058824)(0.00784, 0.07451)(0.01176, 0.090196)(0.01569, 0.098039)(0.01961, 0.10588)(0.02353, 0.1098)(0.02745, 0.11373)(0.03137, 0.11373)(0.03529, 0.11765)(0.03922, 0.11373)(0.04314, 0.11373)(0.04706, 0.1098)(0.05098, 0.10588)(0.0549, 0.098039)(0.05882, 0.094118)(0.06275, 0.086275)(0.06667, 0.078431)(0.07059, 0.07451)(0.07451, 0.070588)(0.07843, 0.070588)(0.08235, 0.07451)(0.08627, 0.078431)(0.0902, 0.090196)(0.09412, 0.10196)(0.09804, 0.11373)(0.10196, 0.12549)(0.10588, 0.13725)(0.1098, 0.15294)(0.11373, 0.16471)(0.11765, 0.17647)(0.12157, 0.18431)(0.12549, 0.19216)(0.12941, 0.20392)(0.13333, 0.20784)(0.13725, 0.21569)(0.14118, 0.21961)(0.1451, 0.22353)(0.14902, 0.22745)(0.15294, 0.23137)(0.15686, 0.23137)(0.16078, 0.23137)(0.16471, 0.23529)(0.16863, 0.23529)(0.17255, 0.23529)(0.17647, 0.23922)(0.18039, 0.23922)(0.18431, 0.24314)(0.18824, 0.24706)(0.19216, 0.2549)(0.19608, 0.25882)(0.2, 0.26667)(0.20392, 0.27843)(0.20784, 0.28627)(0.21176, 0.29804)(0.21569, 0.30588)(0.21961, 0.31765)(0.22353, 0.32941)(0.22745, 0.34118)(0.23137, 0.35294)(0.23529, 0.36078)(0.23922, 0.37255)(0.24314, 0.38431)(0.24706, 0.39608)(0.25098, 0.40392)(0.2549, 0.41569)(0.25882, 0.42353)(0.26275, 0.43529)(0.26667, 0.44706)(0.27059, 0.4549)(0.27451, 0.46667)(0.27843, 0.47451)(0.28235, 0.48235)(0.28627, 0.49412)(0.2902, 0.50196)(0.29412, 0.51373)(0.29804, 0.52157)(0.30196, 0.52941)(0.30588, 0.54118)(0.3098, 0.54902)(0.31373, 0.55686)(0.31765, 0.56863)(0.32157, 0.57647)(0.32549, 0.58431)(0.32941, 0.59216)(0.33333, 0.60392)(0.33725, 0.61176)(0.34118, 0.61961)(0.3451, 0.62745)(0.34902, 0.63922)(0.35294, 0.64706)(0.35686, 0.6549)(0.36078, 0.66275)(0.36471, 0.67059)(0.36863, 0.68235)(0.37255, 0.6902)(0.37647, 0.69804)(0.38039, 0.70588)(0.38431, 0.71373)(0.38824, 0.72157)(0.39216, 0.73333)(0.39608, 0.74118)(0.4, 0.74902)(0.40392, 0.75686)(0.40784, 0.76471)(0.41176, 0.77255)(0.41569, 0.78039)(0.41961, 0.79216)(0.42353, 0.8)(0.42745, 0.80784)(0.43137, 0.81569)(0.43529, 0.82353)(0.43922, 0.83137)(0.44314, 0.83922)(0.44706, 0.84706)(0.45098, 0.85882)(0.4549, 0.86667)(0.45882, 0.87451)(0.46275, 0.88235)(0.46667, 0.8902)(0.47059, 0.89804)(0.47451, 0.90588)(0.47843, 0.91373)(0.48235, 0.92157)(0.48627, 0.92941)(0.4902, 0.93725)(0.49412, 0.9451)(0.49804, 0.95294)(0.50196, 0.95686)(0.50588, 0.96471)(0.5098, 0.96863)(0.51373, 0.97255)(0.51765, 0.97647)(0.52157, 0.97647)(0.52549, 0.98039)(0.52941, 0.98039)(0.53333, 0.98431)(0.53725, 0.98431)(0.54118, 0.98824)(0.5451, 0.98824)(0.54902, 0.98824)(0.55294, 0.98824)(0.55686, 0.98824)(0.56078, 0.99216)(0.56471, 0.99216)(0.56863, 0.99216)(0.57255, 0.99216)(0.57647, 0.99216)(0.58039, 0.99216)(0.58431, 0.99608)(0.58824, 0.99608)(0.59216, 0.99608)(0.59608, 0.99608)(0.6, 0.99608)(0.60392, 0.99608)(0.60784, 0.99608)(0.61176, 0.99608)(0.61569, 0.99608)(0.61961, 0.99608)(0.62353, 0.99608)(0.62745, 0.99608)(0.63137, 1)(0.63529, 1)(0.63922, 1)(0.64314, 1)(0.64706, 1)(0.65098, 1)(0.6549, 1)(0.65882, 1)(0.66275, 1)(0.66667, 1)(0.67059, 1)(0.67451, 1)(0.67843, 0.99608)(0.68235, 0.99608)(0.68627, 0.99608)(0.6902, 0.99608)(0.69412, 0.99608)(0.69804, 0.99608)(0.70196, 0.99608)(0.70588, 0.99608)(0.7098, 0.99608)(0.71373, 0.99608)(0.71765, 0.99608)(0.72157, 0.99216)(0.72549, 0.99216)(0.72941, 0.99216)(0.73333, 0.99216)(0.73725, 0.99216)(0.74118, 0.99216)(0.7451, 0.99216)(0.74902, 0.98824)(0.75294, 0.98824)(0.75686, 0.98824)(0.76078, 0.98824)(0.76471, 0.98824)(0.76863, 0.98431)(0.77255, 0.98431)(0.77647, 0.98431)(0.78039, 0.98431)(0.78431, 0.98039)(0.78824, 0.98039)(0.79216, 0.98039)(0.79608, 0.98039)(0.8, 0.97647)(0.80392, 0.97647)(0.80784, 0.97647)(0.81176, 0.97255)(0.81569, 0.97255)(0.81961, 0.97255)(0.82353, 0.96863)(0.82745, 0.96863)(0.83137, 0.96863)(0.83529, 0.96471)(0.83922, 0.96471)(0.84314, 0.96471)(0.84706, 0.96078)(0.85098, 0.96078)(0.8549, 0.95686)(0.85882, 0.95686)(0.86275, 0.95294)(0.86667, 0.95294)(0.87059, 0.94902)(0.87451, 0.9451)(0.87843, 0.9451)(0.88235, 0.94118)(0.88627, 0.94118)(0.8902, 0.93725)(0.89412, 0.93333)(0.89804, 0.93333)(0.90196, 0.92941)(0.90588, 0.92549)(0.9098, 0.92157)(0.91373, 0.92157)(0.91765, 0.91765)(0.92157, 0.91373)(0.92549, 0.9098)(0.92941, 0.9098)(0.93333, 0.90588)(0.93725, 0.90196)(0.94118, 0.89804)(0.9451, 0.89412)(0.94902, 0.8902)(0.95294, 0.88627)(0.95686, 0.88627)(0.96078, 0.88235)(0.96471, 0.87843)(0.96863, 0.87451)(0.97255, 0.87059)(0.97647, 0.86667)(0.98039, 0.86275)(0.98431, 0.85882)(0.98824, 0.8549)(0.99216, 0.85098)(0.99608, 0.84706)(1, 0.84314)
GREEN:
(0, 0.36078)(0.00392, 0.37255)(0.00784, 0.38039)(0.01176, 0.38824)(0.01569, 0.39608)(0.01961, 0.40392)(0.02353, 0.41569)(0.02745, 0.42353)(0.03137, 0.43137)(0.03529, 0.43922)(0.03922, 0.44706)(0.04314, 0.4549)(0.04706, 0.45882)(0.05098, 0.46667)(0.0549, 0.47451)(0.05882, 0.48235)(0.06275, 0.4902)(0.06667, 0.49412)(0.07059, 0.50196)(0.07451, 0.5098)(0.07843, 0.51373)(0.08235, 0.52157)(0.08627, 0.52549)(0.0902, 0.53333)(0.09412, 0.53725)(0.09804, 0.54118)(0.10196, 0.54902)(0.10588, 0.55294)(0.1098, 0.55686)(0.11373, 0.56078)(0.11765, 0.56471)(0.12157, 0.57255)(0.12549, 0.57647)(0.12941, 0.58039)(0.13333, 0.58431)(0.13725, 0.58824)(0.14118, 0.59216)(0.1451, 0.59608)(0.14902, 0.60392)(0.15294, 0.60784)(0.15686, 0.61176)(0.16078, 0.61569)(0.16471, 0.61961)(0.16863, 0.62353)(0.17255, 0.62745)(0.17647, 0.63137)(0.18039, 0.63529)(0.18431, 0.63922)(0.18824, 0.64314)(0.19216, 0.64706)(0.19608, 0.65098)(0.2, 0.6549)(0.20392, 0.65882)(0.20784, 0.65882)(0.21176, 0.66275)(0.21569, 0.66667)(0.21961, 0.66667)(0.22353, 0.67059)(0.22745, 0.67451)(0.23137, 0.67451)(0.23529, 0.67843)(0.23922, 0.68235)(0.24314, 0.68235)(0.24706, 0.68627)(0.25098, 0.68627)(0.2549, 0.6902)(0.25882, 0.69412)(0.26275, 0.69412)(0.26667, 0.69804)(0.27059, 0.69804)(0.27451, 0.70196)(0.27843, 0.70588)(0.28235, 0.70588)(0.28627, 0.7098)(0.2902, 0.7098)(0.29412, 0.71373)(0.29804, 0.71373)(0.30196, 0.71765)(0.30588, 0.72157)(0.3098, 0.72157)(0.31373, 0.72549)(0.31765, 0.72549)(0.32157, 0.72941)(0.32549, 0.72941)(0.32941, 0.73333)(0.33333, 0.73333)(0.33725, 0.73725)(0.34118, 0.74118)(0.3451, 0.74118)(0.34902, 0.7451)(0.35294, 0.7451)(0.35686, 0.74902)(0.36078, 0.74902)(0.36471, 0.75294)(0.36863, 0.75294)(0.37255, 0.75686)(0.37647, 0.75686)(0.38039, 0.76078)(0.38431, 0.76078)(0.38824, 0.76471)(0.39216, 0.76471)(0.39608, 0.76863)(0.4, 0.77255)(0.40392, 0.77255)(0.40784, 0.77647)(0.41176, 0.77647)(0.41569, 0.78039)(0.41961, 0.78039)(0.42353, 0.78431)(0.42745, 0.78431)(0.43137, 0.78824)(0.43529, 0.78824)(0.43922, 0.79216)(0.44314, 0.79216)(0.44706, 0.79608)(0.45098, 0.79608)(0.4549, 0.79608)(0.45882, 0.8)(0.46275, 0.8)(0.46667, 0.80392)(0.47059, 0.80392)(0.47451, 0.80392)(0.47843, 0.80784)(0.48235, 0.80784)(0.48627, 0.80784)(0.4902, 0.80392)(0.49412, 0.80392)(0.49804, 0.80392)(0.50196, 0.8)(0.50588, 0.79608)(0.5098, 0.79216)(0.51373, 0.78824)(0.51765, 0.78431)(0.52157, 0.78039)(0.52549, 0.77647)(0.52941, 0.77255)(0.53333, 0.76471)(0.53725, 0.76078)(0.54118, 0.75294)(0.5451, 0.74902)(0.54902, 0.7451)(0.55294, 0.73725)(0.55686, 0.73333)(0.56078, 0.72549)(0.56471, 0.72157)(0.56863, 0.71373)(0.57255, 0.7098)(0.57647, 0.70196)(0.58039, 0.69804)(0.58431, 0.6902)(0.58824, 0.68627)(0.59216, 0.67843)(0.59608, 0.67451)(0.6, 0.66667)(0.60392, 0.66275)(0.60784, 0.6549)(0.61176, 0.65098)(0.61569, 0.64314)(0.61961, 0.63922)(0.62353, 0.63137)(0.62745, 0.62745)(0.63137, 0.61961)(0.63529, 0.61569)(0.63922, 0.60784)(0.64314, 0.60392)(0.64706, 0.59608)(0.65098, 0.59216)(0.6549, 0.58431)(0.65882, 0.57647)(0.66275, 0.57255)(0.66667, 0.56471)(0.67059, 0.56078)(0.67451, 0.55294)(0.67843, 0.5451)(0.68235, 0.54118)(0.68627, 0.53333)(0.6902, 0.52549)(0.69412, 0.52157)(0.69804, 0.51373)(0.70196, 0.50588)(0.70588, 0.50196)(0.7098, 0.49412)(0.71373, 0.48627)(0.71765, 0.47843)(0.72157, 0.47451)(0.72549, 0.46667)(0.72941, 0.45882)(0.73333, 0.45098)(0.73725, 0.44314)(0.74118, 0.43922)(0.7451, 0.43137)(0.74902, 0.42353)(0.75294, 0.41569)(0.75686, 0.40784)(0.76078, 0.4)(0.76471, 0.39216)(0.76863, 0.38431)(0.77255, 0.37647)(0.77647, 0.36863)(0.78039, 0.36078)(0.78431, 0.35294)(0.78824, 0.3451)(0.79216, 0.33725)(0.79608, 0.32941)(0.8, 0.32157)(0.80392, 0.31373)(0.80784, 0.30588)(0.81176, 0.29804)(0.81569, 0.2902)(0.81961, 0.28627)(0.82353, 0.27843)(0.82745, 0.27451)(0.83137, 0.26667)(0.83529, 0.26275)(0.83922, 0.25882)(0.84314, 0.25098)(0.84706, 0.24706)(0.85098, 0.24314)(0.8549, 0.23922)(0.85882, 0.23529)(0.86275, 0.22745)(0.86667, 0.22353)(0.87059, 0.21961)(0.87451, 0.21569)(0.87843, 0.21176)(0.88235, 0.20392)(0.88627, 0.2)(0.8902, 0.19608)(0.89412, 0.19216)(0.89804, 0.18431)(0.90196, 0.18039)(0.90588, 0.17647)(0.9098, 0.17255)(0.91373, 0.16471)(0.91765, 0.16078)(0.92157, 0.15686)(0.92549, 0.14902)(0.92941, 0.1451)(0.93333, 0.14118)(0.93725, 0.13333)(0.94118, 0.12941)(0.9451, 0.12549)(0.94902, 0.11765)(0.95294, 0.11373)(0.95686, 0.10588)(0.96078, 0.10196)(0.96471, 0.094118)(0.96863, 0.086275)(0.97255, 0.078431)(0.97647, 0.07451)(0.98039, 0.066667)(0.98431, 0.058824)(0.98824, 0.047059)(0.99216, 0.039216)(0.99608, 0.027451)(1, 0.019608)
BLUE:
(0, 0.97255)(0.00392, 0.95686)(0.00784, 0.9451)(0.01176, 0.92941)(0.01569, 0.91373)(0.01961, 0.89804)(0.02353, 0.88235)(0.02745, 0.87059)(0.03137, 0.8549)(0.03529, 0.83922)(0.03922, 0.82353)(0.04314, 0.80784)(0.04706, 0.79608)(0.05098, 0.78039)(0.0549, 0.76471)(0.05882, 0.74902)(0.06275, 0.73333)(0.06667, 0.72157)(0.07059, 0.70588)(0.07451, 0.6902)(0.07843, 0.67451)(0.08235, 0.65882)(0.08627, 0.64314)(0.0902, 0.62745)(0.09412, 0.61176)(0.09804, 0.59608)(0.10196, 0.57647)(0.10588, 0.56078)(0.1098, 0.5451)(0.11373, 0.52549)(0.11765, 0.5098)(0.12157, 0.49412)(0.12549, 0.47451)(0.12941, 0.45882)(0.13333, 0.43922)(0.13725, 0.42353)(0.14118, 0.40392)(0.1451, 0.38431)(0.14902, 0.36863)(0.15294, 0.34902)(0.15686, 0.32941)(0.16078, 0.31373)(0.16471, 0.29412)(0.16863, 0.27451)(0.17255, 0.25882)(0.17647, 0.23922)(0.18039, 0.22353)(0.18431, 0.20784)(0.18824, 0.19216)(0.19216, 0.18039)(0.19608, 0.16863)(0.2, 0.15686)(0.20392, 0.14902)(0.20784, 0.14118)(0.21176, 0.13333)(0.21569, 0.12941)(0.21961, 0.12549)(0.22353, 0.12549)(0.22745, 0.12157)(0.23137, 0.12157)(0.23529, 0.11765)(0.23922, 0.11765)(0.24314, 0.11765)(0.24706, 0.11765)(0.25098, 0.11373)(0.2549, 0.11373)(0.25882, 0.11373)(0.26275, 0.11373)(0.26667, 0.11373)(0.27059, 0.11373)(0.27451, 0.1098)(0.27843, 0.1098)(0.28235, 0.1098)(0.28627, 0.1098)(0.2902, 0.10588)(0.29412, 0.10588)(0.29804, 0.10588)(0.30196, 0.10588)(0.30588, 0.10588)(0.3098, 0.10196)(0.31373, 0.10196)(0.31765, 0.10196)(0.32157, 0.10196)(0.32549, 0.098039)(0.32941, 0.098039)(0.33333, 0.098039)(0.33725, 0.098039)(0.34118, 0.094118)(0.3451, 0.094118)(0.34902, 0.094118)(0.35294, 0.094118)(0.35686, 0.090196)(0.36078, 0.090196)(0.36471, 0.090196)(0.36863, 0.086275)(0.37255, 0.086275)(0.37647, 0.086275)(0.38039, 0.082353)(0.38431, 0.082353)(0.38824, 0.082353)(0.39216, 0.078431)(0.39608, 0.078431)(0.4, 0.078431)(0.40392, 0.07451)(0.40784, 0.07451)(0.41176, 0.07451)(0.41569, 0.070588)(0.41961, 0.070588)(0.42353, 0.070588)(0.42745, 0.066667)(0.43137, 0.066667)(0.43529, 0.062745)(0.43922, 0.062745)(0.44314, 0.058824)(0.44706, 0.058824)(0.45098, 0.054902)(0.4549, 0.054902)(0.45882, 0.054902)(0.46275, 0.054902)(0.46667, 0.054902)(0.47059, 0.054902)(0.47451, 0.058824)(0.47843, 0.062745)(0.48235, 0.070588)(0.48627, 0.078431)(0.4902, 0.086275)(0.49412, 0.098039)(0.49804, 0.1098)(0.50196, 0.12157)(0.50588, 0.13725)(0.5098, 0.14902)(0.51373, 0.16078)(0.51765, 0.17647)(0.52157, 0.18824)(0.52549, 0.2)(0.52941, 0.21176)(0.53333, 0.22353)(0.53725, 0.23529)(0.54118, 0.24706)(0.5451, 0.2549)(0.54902, 0.26667)(0.55294, 0.27451)(0.55686, 0.28235)(0.56078, 0.29412)(0.56471, 0.30196)(0.56863, 0.3098)(0.57255, 0.31765)(0.57647, 0.32549)(0.58039, 0.33333)(0.58431, 0.34118)(0.58824, 0.34902)(0.59216, 0.35686)(0.59608, 0.36471)(0.6, 0.37255)(0.60392, 0.38039)(0.60784, 0.38824)(0.61176, 0.39608)(0.61569, 0.4)(0.61961, 0.40784)(0.62353, 0.41569)(0.62745, 0.42353)(0.63137, 0.42745)(0.63529, 0.43529)(0.63922, 0.44314)(0.64314, 0.44706)(0.64706, 0.4549)(0.65098, 0.45882)(0.6549, 0.46667)(0.65882, 0.47451)(0.66275, 0.47843)(0.66667, 0.48627)(0.67059, 0.4902)(0.67451, 0.49804)(0.67843, 0.50196)(0.68235, 0.5098)(0.68627, 0.51765)(0.6902, 0.52157)(0.69412, 0.52941)(0.69804, 0.53333)(0.70196, 0.54118)(0.70588, 0.5451)(0.7098, 0.54902)(0.71373, 0.55686)(0.71765, 0.56078)(0.72157, 0.56863)(0.72549, 0.57255)(0.72941, 0.58039)(0.73333, 0.58431)(0.73725, 0.59216)(0.74118, 0.59608)(0.7451, 0.6)(0.74902, 0.60784)(0.75294, 0.61176)(0.75686, 0.61961)(0.76078, 0.62353)(0.76471, 0.62745)(0.76863, 0.63529)(0.77255, 0.63922)(0.77647, 0.64314)(0.78039, 0.64706)(0.78431, 0.65098)(0.78824, 0.6549)(0.79216, 0.65882)(0.79608, 0.65882)(0.8, 0.65882)(0.80392, 0.65882)(0.80784, 0.6549)(0.81176, 0.65098)(0.81569, 0.64706)(0.81961, 0.63922)(0.82353, 0.63137)(0.82745, 0.61961)(0.83137, 0.61176)(0.83529, 0.6)(0.83922, 0.58824)(0.84314, 0.57255)(0.84706, 0.56078)(0.85098, 0.54902)(0.8549, 0.53333)(0.85882, 0.52157)(0.86275, 0.5098)(0.86667, 0.49412)(0.87059, 0.48235)(0.87451, 0.47059)(0.87843, 0.4549)(0.88235, 0.44314)(0.88627, 0.42745)(0.8902, 0.41569)(0.89412, 0.40392)(0.89804, 0.38824)(0.90196, 0.37647)(0.90588, 0.36471)(0.9098, 0.34902)(0.91373, 0.33725)(0.91765, 0.32549)(0.92157, 0.3098)(0.92549, 0.29804)(0.92941, 0.28627)(0.93333, 0.27059)(0.93725, 0.25882)(0.94118, 0.24706)(0.9451, 0.23137)(0.94902, 0.21961)(0.95294, 0.20784)(0.95686, 0.19216)(0.96078, 0.18039)(0.96471, 0.16471)(0.96863, 0.14902)(0.97255, 0.13725)(0.97647, 0.12157)(0.98039, 0.10588)(0.98431, 0.090196)(0.98824, 0.070588)(0.99216, 0.047059)(0.99608, 0.023529)(1, 0)