Awesome

HSV Color Picker

HSV color picker using Unity UI. Unity Forum Thread

Versions

Unity 2020.3 LTS

Install

UPM

Follow the instructions on OpenUpm https://openupm.com/packages/com.judahperez.hsvcolorpicker/

{
    "scopedRegistries": [
        {
            "name": "package.openupm.com",
            "url": "https://package.openupm.com",
            "scopes": []
        }
    ],
    "dependencies": {
        "com.judahperez.hsvcolorpicker": "3.3.0"
    }
}

Unity Package

https://github.com/judah4/HSV-Color-Picker-Unity/releases

Should be really easy to use. Just add the prefab to the canvas, hook up an event, and it's good to go.

using HSVPicker;
using UnityEngine;

public class SomeClass : MonoBehavior
{

	public Renderer renderer;
	public ColorPicker picker;
     
	// Use this for initialization
	void Start ()
	{
		picker.onValueChanged.AddListener(color =>
		{
			renderer.material.color = color;
		});
		renderer.material.color = picker.CurrentColor;
	}
 
	// Update is called once per frame
	void Update () {
 
	}
	...

if you want to assign your own color first, just do this call and it sets the slider and picker to the proper selection.

    Color color = Color.green;
    picker.CurrentColor = color;

Can be toggled and sized as needed in settings.

Setup Settings

On the color picker setup section.

Show Rgb: Show RGB sliders.

Show Hsv: Show HSV sliders.

Show Alpha: Show the alpha slider.

Show Color Box: Show the larger color selection box and color column.

Show Color Slider Toggle: Show the button to toggle the HSV and RGB sliders.

Show Header: Options to show the top header with color preview and hex code.

• Hide: Hide the top header.
• Show Color: Show only the color preview in the header.
• Show Color Code: Show only the color code in the header.
• Show All: Show the entire top header.

Color Presets

The prefabs starts with 4 colors in the color presets. This can be updated in the Setup section of the picker prefab.
Set the Preset Colors Id for different shared list between color pickers.