diff --git a/color/README.md b/color/README.md
index 06afd14..98ffcce 100644
--- a/color/README.md
+++ b/color/README.md
@@ -1,4 +1,4 @@
 ```python
-for i, c in enumerate('RGYBMC'): globals()[c] = lambda s, i=i: f'\x1b[{91+i}m{s}\x1b[0m'
-print(R('hello'), G('world'))
+for i,x in enumerate('rgybmcRGYBMC'):globals()[x]=lambda s,i=i:f'\x1b[{31+i//6*60+i%6}m{s}\x1b[0m'
+print(r('hello'), R('hello'))
 ```
\ No newline at end of file