Module CSS.Color
type name
=
The colors by name.
val string_of_name : name -> string
Gives the string equivalent of the argument.
val rgb_of_name : name -> int * int * int
Converts a color name into three integers representing the Red, Green and Blue channels. Channel values are in between
0
and255
.
val hex_of_rgb : (int * int * int) -> string
Convert a tuple of three integers between
0
and255
into a hex string
type t
=
|
Name of name
A color by name
|
RGB of int * int * int
Red, Green and Blue values. Clipped to
0..255
by most (All?) browsers.|
RGB_percent of int * int * int
RBG channels are specified as a percentage of their maximal value.
|
RGBA of int * int * int * float
Same as RGB with additional transparency argument. Opacity should be between
0.
(completely transparent) and1.
(completely opaque).|
RGBA_percent of int * int * int * float
RGB channels specified as percentage of their maximal value. Alpha channel (opacity) is still a
0.
to1.
float.|
HSL of int * int * int
Hue, Saturation and Lightness values. Hue is an angle in degree (in interval
0..360
). Saturation is a percentage (0..100
) with0
being colorless. Lightness is also a percentage (0..100
) with0
being black.|
HSLA of int * int * int * float
Same as HSL with an opacity argument between
0.
and1.
.The type of colors, either by name, by Red-Green-Blue constructor or by Hue-Saturation-Lightness constructors.
val rgb : ?a:float -> int -> int -> int -> t
build a color from the values of red, green, and blue channels. optional
a
argument can be used to specify alpha channel (aka opacity).
val hsl : ?a:float -> int -> int -> int -> t
build a color from the values of hue, saturation, and lightness channels. optional
a
argument can be used to specify alpha channel (aka opacity).
type js_t
= private Js.js_string Js.t
A
js_t
is a valid string representation of a CSS color
val string_of_t : t -> string
Convert to a string representation (for debugging purpose mainly).
val js : t -> js_t
Projection from OCaml to Js.
js c
is equivalent toJs.string (string_of_t c)
but with ajs_t
return type.
val js_t_of_js_string : Js.js_string Js.t -> js_t
Checks the well-formedness of a string or fails with
Invalid_argument