diff --git a/src/jstrutils.nim b/src/jstrutils.nim
index 63a9ae8..507e7a6 100644
--- a/src/jstrutils.nim
+++ b/src/jstrutils.nim
@@ -14,6 +14,7 @@ proc `&`*(a, b: cstring): cstring {.importcpp: "(# + #)", nodecl.}
 proc toCstr*(s: int): cstring {.importcpp: "((#)+'')", nodecl.}
 proc `&`*(s: int): cstring {.importcpp: "((#)+'')", nodecl.}
 proc `&`*(s: bool): cstring {.importcpp: "((#)+'')", nodecl.}
+proc `&`*(s: float): cstring {.importcpp: "((#)+'')", nodecl.}
 
 proc `&`*(s: cstring): cstring {.importcpp: "(#)", nodecl.}
 
diff --git a/src/vstyles.nim b/src/vstyles.nim
index 649c322..161c207 100644
--- a/src/vstyles.nim
+++ b/src/vstyles.nim
@@ -255,3 +255,11 @@ proc applyStyle*(n: Node; s: VStyle) =
   n.style = Style()
   for x in s.mask:
     n.style.setStyle(toStyleAttrName[x], s.attrs[x])
+
+import jstrutils
+
+proc rgb*(r, g, b: range[0..255]): cstring =
+  cstring"rgb(" & &r & cstring", " & &g & cstring", " & &b & cstring")"
+
+proc rgba*(r, g, b: range[0..255], alpha: float): cstring =
+  cstring"rgb(" & &r & cstring", " & &g & cstring", " & &b & cstring", " & &alpha & cstring")"