proc initColor(r, g, b: float32; a: float32 = 1.0'f32): Color {.
inline, raises: [], tags: []
.}

proc initColor(): Color {.
inline, raises: [], tags: []
.}

proc h(self: Color): float32 {.
inline, raises: [], tags: []
.}

proc s(self: Color): float32 {.
inline, raises: [], tags: []
.}

proc v(self: Color): float32 {.
inline, raises: [], tags: []
.}

proc `$`(self: Color): string {.
inline, raises: [], tags: []
.}

proc hash(self: Color): Hash {.
inline, raises: [], tags: []
.}

proc toHtml(self: Color; withAlpha: bool): string {.
raises: [], tags: []
.}

proc toARGB32(self: Color): uint32 {.
inline, raises: [], tags: []
.}

proc gray(self: Color): float32 {.
inline, raises: [], tags: []
.}

proc inverted(self: Color): Color {.
inline, raises: [], tags: []
.}

proc contrasted(self: Color): Color {.
inline, raises: [], tags: []
.}

proc lerp(self: Color; b: Color; t: float32): Color {.
inline, raises: [], tags: []
.}

proc blend(self: Color; over: Color): Color {.
inline, raises: [], tags: []
.}

proc `==`(a, b: Color): bool {.
inline, raises: [], tags: []
.}

proc `<`(a, b: Color): bool {.
raises: [], tags: []
.}