View Source ExTDLib.Object.UpdateAccentColors (ExTDLib v0.0.4)

The list of supported accent colors has changed.

NameTypeDescription
colorsaccentColorInformation about supported colors; colors with identifiers 0 (red), 1 (orange), 2 (purple/violet), 3 (green), 4 (cyan), 5 (blue), 6 (pink) must always be supported and aren't included in the list. The exact colors for the accent colors with identifiers 0-6 must be taken from the app theme.
available_accent_color_idsnumberThe list of accent color identifiers, which can be set through setAccentColor and setChatAccentColor. The colors must be shown in the specififed order.

More details on telegram's documentation.