Colors of C/2018 F4-A (left) and B (right) in terms of g − r and r − i indices. The weighted mean values of the g − r colors of the two components are shown as horizontal dashed lines in both panels, with the shaded regions representing the respective standard deviations as ±1σ uncertainties. No significant color variation for either of the components beyond the noise level was seen. The two components shared a statistically similar color.