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History of Idiom 154 > diff from v20 to v21

Edit summary for version 21 by programming-idioms.org:
[Ruby] +DemoURL
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Version 20

2016-11-13, 13:12:23

Version 21

2016-11-13, 13:19:04

Idiom #154 Halfway between two hex color codes

Find color c, the average between colors c1, c2.

c, c1, c2 are strings of hex color codes: 7 chars, beginning with a number sign # .
Assume linear computations, ignore gamma corrections.

Illustration

Idiom #154 Halfway between two hex color codes

Find color c, the average between colors c1, c2.

c, c1, c2 are strings of hex color codes: 7 chars, beginning with a number sign # .
Assume linear computations, ignore gamma corrections.

Illustration
Extra Keywords
hexa hexadecimal css avg mean radix base
Extra Keywords
hexa hexadecimal css avg mean radix base
Code 
rgbs = c1[1..-1].scan(/../), c2[1..-1].scan(/../)
c = "#%02X%02X%02X" % rgbs.transpose.map{|h1, h2| (h1.hex + h2.hex)/2 }
Code 
rgbs = c1[1..-1].scan(/../), c2[1..-1].scan(/../)
c = "#%02X%02X%02X" % rgbs.transpose.map{|h1, h2| (h1.hex + h2.hex)/2 }
Demo URL
https://repl.it/EWac/0