This study was to investigate if three attributes of color, have a positive effect on improving the memorization of English vocabulary. Experimental design was adopted in the study, and there were 126 adults participating in the experiment. Among the participants, 26.2% were males and 73.8% were females, and the average age was 21 years old. In the experiment, participants were tested on memorizing English vocabulary under the influence of three color attributes. The results indicated that there were significant differences among different combinations of color attributes regarding the memorization of English vocabulary, and in the combinations, contrast of hue outperformed two other color attributes. In terms of subjective preference, contrast of value was participants' favorite on the average.