rgb-2-hsv.md

title	RGB to HSV Conversion
description	Convert RGB color values to HSV (Hue, Saturation, Value) in Power Fx
category	colors/functions
tags	color-conversion RGB HSV
credit	https://github.com/matthewdevaney/powerapps-custom-functions
related	./hsv-2-rgb ./rgb-2-hsl ./hex-2-rgb

RGB to HSV

Table of Contents

• Add This to Your Application

Credit: https://github.com/matthewdevaney/powerapps-custom-functions/tree/main/custom_functions_hiro

Add This to Your Application

With(
    {
        CMAX: Max(
            Red,
            Green,
            Blue
        ),
        CMIN: Min(
            Red,
            Green,
            Blue
        )
    },
    Switch(
        CMAX,
        Red,
        {
            H: Mod(
                360 + 60 * ((Green - Blue) / (CMAX - CMIN)),
                360
            ),
            S: (CMAX - CMIN) / CMAX * 255,
            V: CMAX
        },
        Green,
        {
            H: Mod(
                360 + 60 * ((Blue - Red) / (CMAX - CMIN)) + 120,
                360
            ),
            S: (CMAX - CMIN) / CMAX * 255,
            V: CMAX
        },
        Blue,
        {
            H: Mod(
                360 + 60 * ((Red - Green) / (CMAX - CMIN)) + 240,
                360
            ),
            S: (CMAX - CMIN) / CMAX * 255,
            V: CMAX
        }
    )
)

---

History

Date	Author	Changes
2025-12-17	Claude	Added YAML frontmatter