jodd-core/src/main/java/jodd/chalk/Chalk256.java
public Chalk256 bgRgb(final int r, final int b, final int g) {
		startSequence(BG_CODES[index(36*r + 6*g + b,16, 232)]);
		endSequence(RESET);
		return _this();
	}
public Chalk256 bgRgb(final int r, final int b, final int g) {
		startSequence(BG_CODES[index(36*r + 6*g + b,16, 232)]);
		endSequence(RESET);
		return _this();
	}
Colors with red-green-blue value, in the range 0 to 6.