1 files changed, 21 insertions, 0 deletions
diff --git a/xtermcolors.py b/xtermcolors.py
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index 0000000..36cddc6
--- /dev/null
+++ b/xtermcolors.py
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+
+xterm_colors = []
+
+# This is ripped out of pygments
+# I leave out the 16 standard colors since people tend to re-define them to their liking.
+
+# colors 16..232: the 6x6x6 color cube
+_valuerange = (0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff)
+for i in range(217):
+	r = _valuerange[(i // 36) % 6]
+	g = _valuerange[(i // 6) % 6]
+	b = _valuerange[i % 6]
+	xterm_colors.append((r, g, b))
+
+# colors 233..253: grayscale
+for i in range(1, 24):
+	v = 8 + i * 10
+	xterm_colors.append((v, v, v))
+
+def closest_color(r, g, b):
+	return 16+min([ ((r-rt)**2+(g-gt)**2+(b-bt)**2, i) for  i,(rt,gt,bt) in enumerate(xterm_colors) ])[1]