Thermally sensitive recording medium

摘要

The thermally sensitive recording medium having sufficient color developing density and develops navy blue or grayish blue color. The color difference L* value a* value and b* value of developed image of said thermally sensitive recording medium regulated by JIS-Z-8729 are within the regions of,A. L* value is 30~50, a* value is -15~0 and b* value is -30~10,B. L* value is 30~50, a* value is 0~10 and b* value is -30~0 orC. L* value is 30~50, a* value is 10~20 and b* value is -30~15.