Convert HSB (Hue, Saturation, Brightness) color values to RGB instantly — free online tool, no signup required.
How HSB to RGB Conversion Works
HSB (also called HSV) defines a color using three values: Hue (0–360°, the color’s position on the color wheel), Saturation (0–100%, how vivid vs. gray the color is), and Brightness (0–100%, how light vs. dark the color is).
To convert HSB to RGB, the hue is first mapped to a 60° segment of the color wheel to determine which two RGB channels are active, then saturation and brightness scale that base color down before adding a matching offset to all three channels. The result is three RGB values, each between 0 and 255.
HSB and RGB describe the same color space through different logic — HSB models how a person intuitively adjusts color (pick a hue, then dial vividness and lightness), while RGB models how a screen actually renders it (mixing red, green, and blue light).
When You’d Use This
- Design handoff: Design tools like Photoshop and Illustrator often use HSB pickers, but CSS and most web styling need RGB or hex — this bridges that gap without opening design software.
- Programmatic color generation: Developers generating color palettes algorithmically often find it easier to reason about hue rotation and brightness in HSB, then convert to RGB for final CSS output.
- WordPress theme customization: WordPress’s native color picker (Iris) is built on HSB internally — if you’re pulling a color value from a theme’s color picker interface, this tool converts it to the RGB or hex value needed elsewhere in your stylesheet.
FAQ
What is the difference between HSB and HSV?
HSB and HSV are the same color model with different names — Brightness and Value refer to the identical third component. Any HSB value converts to RGB using the exact same formula as HSV.
What is the difference between HSB and RGB?
HSB describes a color by hue, saturation, and brightness, while RGB describes it by the intensity of red, green, and blue light. They represent the same colors, but HSB is easier for humans to reason about, while RGB is what browsers and screens use to render.
Can HSB produce colors RGB can’t, or vice versa?
No — HSB and RGB describe the identical color space (sRGB), just with different coordinate systems. Every HSB value has an exact, lossless RGB equivalent, and converting back and forth introduces no color shift.