rgba>hex ( rgba -- hex )
HEX colors

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Vocabulary
colors.hex

Inputs

rgba

a color

Outputs

hex

a 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 ;