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rgba>hex ( rgba -- hex )
HEX colors
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Vocabulary
colors.hex

Inputs and outputs
rgbaa color
hexa string


Word description
Converts a color into a hexadecimal string value.

Definition
USING: accessors formatting kernel math ;

IN: colors.hex

: rgba>hex ( rgba -- hex )
[ red>> ] [ green>> ] [ blue>> ] tri
[ 255 * >integer ] tri@ "%02X%02X%02X" sprintf ;