Version: 2017.1 (switch to 2017.2b)
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Random.ColorHSV

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public static function ColorHSV(): Color;
public static Color ColorHSV();
public static function ColorHSV(hueMin: float, hueMax: float): Color;
public static Color ColorHSV(float hueMin, float hueMax);
public static function ColorHSV(hueMin: float, hueMax: float, saturationMin: float, saturationMax: float): Color;
public static Color ColorHSV(float hueMin, float hueMax, float saturationMin, float saturationMax);
public static function ColorHSV(hueMin: float, hueMax: float, saturationMin: float, saturationMax: float, valueMin: float, valueMax: float): Color;
public static Color ColorHSV(float hueMin, float hueMax, float saturationMin, float saturationMax, float valueMin, float valueMax);
public static function ColorHSV(hueMin: float, hueMax: float, saturationMin: float, saturationMax: float, valueMin: float, valueMax: float, alphaMin: float, alphaMax: float): Color;
public static Color ColorHSV(float hueMin, float hueMax, float saturationMin, float saturationMax, float valueMin, float valueMax, float alphaMin, float alphaMax);

Parameters

hueMin Minimum hue [0..1].
hueMax Maximum hue [0..1].
saturationMin Minimum saturation [0..1].
saturationMax Maximum saturation[0..1].
valueMin Minimum value [0..1].
valueMax Maximum value [0..1].
alphaMin Minimum alpha [0..1].
alphaMax Maximum alpha [0..1].

Returns

Color A random color with HSV and alpha values in the input ranges.

Description

Generates a random color from HSV and alpha ranges.

no example available in JavaScript
using UnityEngine;

public class ColorOnClick : MonoBehaviour { void OnMouseDown() { // Pick a random, saturated and not-too-dark color GetComponent<Renderer>().material.color = Random.ColorHSV(0f, 1f, 1f, 1f, 0.5f, 1f); } }