A chromene compound represented by the following formula (1),
wherein,
“A” is an annulated ring, R
1
and R
2
are hydrogen atoms, hydroxyl groups or the like groups,
R
3
, R
4
, R
5
and R
6
are substituents such as hydroxyl groups or the like groups,
“a” and “b” are, respectively, integers of 0 to 4, and
“c” and “d” are, respectively, integers of 0 to 5.
The chromene compound is a photochromic compound developing a color of a neutral tint, and has a high color density per a unit amount.