Orange (#F58700)
HEX code	F	5	8	7	0	0
Decimal	15×16	5	8×16	7	0×16	0
R1,R2,…	240	5	128	7	0	0
RGB	245		135		0
Scaled	245/255 = 0.961		135/255 = 0.528		0/255 = 0
Check: ≤ 0.03928?	No		No		Yes
Luminance Foundation	(0.961+0.055)/1.055)^2.4 = 0.913		(0.528+0.055)/1.055)^2.4 = 0.242		0/12.92 = 0
Luminance	= 0.2126×0.913 + 0.7152×0.242 + 0.0722×0 = 0.367