转自:http://outofmemory.cn/code-snippet/1002/Python-RGB-HSV-color-together-switch Python RGB 和HSV颜色相互转换 import math def hsv2rgb(h, s, v): h = float(h) s = float(s) v = float(v) h60 = h / 60.0 h60f = math.floor(h60) hi = int(h60f) % 6 f = h60 - h60f p =
def rgb2hsv(r, g, b): r, g, b = r/255.0, g/255.0, b/255.0 mx = max(r, g, b) mn = min(r, g, b) m = mx-mn if mx == mn: h = 0 elif mx == r: if g >= b: h = ((g-b)/m)*60 else: h = ((g
RGB to HSV The R,G,B values are divided by 255 to change the range from 0..255 to 0..1: R' = R/255 G' = G/255 B' = B/255 Cmax = max(R', G', B') Cmin = min(R', G', B') Δ = Cmax - Cmin Hue calculation: Saturation calculation: Value calculation: V = Cma