colors
Named colors for plot, fill, level, and paint.
Reference/Language basics/Language
green red blue orange purple gray grey white black yellow lime
Write the color word after the statement. If you omit it, plot is blue. These are the only color names — no hex codes: green, red, blue, orange, purple, gray, grey, white, black, yellow, lime.
Return value
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Example
plot ema(9) as "Fast" blue plot ema(21) as "Slow" orange when bullish paint lime