IPython/frontend/html/notebook/static/codemirror/theme/ipython.css

.cm-s-ipython span.cm-keyword {color: #008000; font-weight: bold;}
.cm-s-ipython span.cm-number {color: #000080;}
.cm-s-ipython span.cm-operator {color: #AA22FF; font-weight: bold;}
.cm-s-ipython span.cm-meta {color: #AA22FF;}
.cm-s-ipython span.cm-comment {color: #408080; font-style: italic;}
.cm-s-ipython span.cm-string {color: #BA2121;}
.cm-s-ipython span.cm-error {color: #f00;}
.cm-s-ipython span.cm-builtin {color: #008000;}
.cm-s-ipython span.cm-variable {color: #000000;}

/* These classes are not currently used in the python.js mode */

/*.cm-s-ipython span.cm-atom {color: #219;}*/
/*.cm-s-ipython span.cm-def {color: #00f;}*/
/*.cm-s-ipython span.cm-variable-2 {color: #05a;}*/
/*.cm-s-ipython span.cm-variable-3 {color: #0a5;}*/
/*.cm-s-ipython span.cm-property {color: black;}*/
/*.cm-s-ipython span.cm-qualifier {color: #555;}*/
/*.cm-s-ipython span.cm-bracket {color: #cc7;}*/
/*.cm-s-ipython span.cm-tag {color: #170;}*/
/*.cm-s-ipython span.cm-attribute {color: #00c;}*/

/* These are the old styles for our pre-themed version */

/*span.py-delimiter {color: #666666;}*/
/*span.py-special {color: #666666;}*/
/*span.py-operator {color: #AA22FF; font-weight: bold;}*/
/*span.py-keyword {color: #008000; font-weight: bold;}*/
/*span.py-number {color: #666666;}*/
/*span.py-identifier {color: #000000;}*/
/*span.py-func {color: #000000;}*/
/*span.py-type {color: #008000;}*/
/*span.py-decorator {color: #AA22FF;}*/
/*span.py-comment {color: #408080; font-style: italic;}*/
/*span.py-string {color: #BA2121;}*/
/*span.py-bytes {color: #BA2121;}*/
/*span.py-raw {color: #BA2121;}*/
/*span.py-unicode {color: #BA2121;}*/