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3D Color Space Viewer - Online Explore RGB Cube

Color Tool Educational 3D color space RGB visualization
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0
0
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R G B
Drag to rotate · Scroll to zoom · Right-drag to pan
Selected Color
RGB(255, 255, 255)
#FFFFFF
HSL(0°, 0%, 100%)
Cube pos: (1.00, 1.00, 1.00)
Voxel Density
Slice Explorer
Color History (click dot to recall)
Click on the cube to pick colors
Axes & Corners
X = Red Y = Green Z = Blue
Black corner (−1,−1,−1) · White corner (+1,+1,+1)

Frequently Asked Questions

What is the RGB Color Cube?

The RGB color cube is a 3D representation of the RGB color space, where the X-axis represents Red (0–255), the Y-axis represents Green (0–255), and the Z-axis represents Blue (0–255). Every possible RGB color corresponds to a point inside this cube. The 8 corners represent pure black, white, red, green, blue, cyan, magenta, and yellow.

How do I use this 3D Color Space Viewer?

Rotate: drag with the left mouse button. Zoom: scroll wheel or pinch gesture. Pan: right-click and drag. Pick a color: click on any colored point inside the cube to see its RGB, HEX, and HSL values. Use the Slice Explorer to isolate a specific Red, Green, or Blue plane and study how colors distribute within that slice.

What is the grayscale diagonal?

The diagonal line running from the black corner (0,0,0) to the white corner (255,255,255) contains all neutral gray colors — where R = G = B. Click the "Grayscale Axis" button to align the camera with this diagonal and explore the full grayscale spectrum.

How do the RGB and HEX color values relate?

HEX is simply a base-16 (hexadecimal) representation of RGB values. For example, RGB(255, 0, 128) becomes #FF0080. Each pair of hex digits represents one color channel: FF = 255 (red), 00 = 0 (green), 80 = 128 (blue). Use the copy buttons to grab values in either format.

What practical uses does this tool have?

This viewer helps designers and developers understand color relationships, explore color gradients in 3D, find harmonious color combinations, visualize how RGB mixing works, and learn about color theory interactively. It's also useful for debugging color values and understanding how digital colors are structured in three-dimensional space.

Why do some areas of the cube look darker?

Colors with low values in all three channels (near the black corner) naturally appear darker, while colors near the white corner (high R, G, and B) appear bright. The internal points of the cube show smooth transitions between all 16.7 million possible RGB colors, creating a rich gradient from dark to light across the volume.

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