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SwitchScienceCode/list-hex-triplet-colors.py

Last active March 19, 2018 05:41
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generate a list of hex triplet color code
Raw
list-hex-triplet-colors.py
#coding: utf-8
"""
COPYRIGHT
This code is licensed under the MIT license.
<https://opensource.org/licenses/MIT>
Copyright (c) 2018 Switch Science, inc.
Permission is hereby granted, free of charge,
to any person obtaining a copy of this software and
associated documentation files (the "Software"), to
deal in the Software without restriction, including
without limitation the rights to use, copy, modify,
merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom
the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice
shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
"""
# 実行するとcolors.htmlがカレントディレクトリに作られる。
# それをブラウザで開くと色が確認できる。
# ここで指定した値の4倍のサイズのテーブルになる
div = 32
colors = []
maxv = 0xFF
step = (maxv + 1) / div
divs = []
html = '''
<!DOCTYPE html>
<html>
<body>
%s
</body>
</html>'''
for i in range(0, div):
blue = maxv
green = i * step
value = (green << 8) + blue
colors.append(value)
for i in range(0, div):
blue = maxv - i * step
green = maxv
value = (green << 8) + blue
colors.append(value)
for i in range(0, div):
green = maxv
red = i * step
value = (red << 16) + (green << 8)
colors.append(value)
for i in range(0, div):
green = maxv - i * step
red = maxv
value = (red << 16) + (green << 8)
colors.append(value)
for color in colors:
print '%06X' % color
col = '#%06X' % color
divs.append('<span style="background-color:%s">&nbsp;&nbsp;</span>' % col)
f = open('colors.html', 'w')
f.write(html % ''.join(divs))
f.close()
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