VRHD - Summer Phase Summer Phase VRHD come in different flavors of yellow. The spectrum typically runs between pale, lemon yellow and intense, even cartoonish yellow. The snake exhibited above is of the paler lemon yellow type. This snake also has an extraordinarily low amount of dark pigmentation present in its pattern. In general, the yellow becomes more saturated on the lower 25% of the snake of these lighter toned animals. In life, the yellow is indescribably beautiful as it transitions in tone down the length of the snake in a very smooth gradient.