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Rust vs Grey: What's the Difference?

The main difference between Rust and Grey is hue — Rust is a warm orange, while Grey is a neutral gray. Rust (#B7410E) has an HSL of 18°, 86%, 39%, whereas Grey (#808080) sits at 0°, 0%, 50%.

Rust#B7410E
Grey#808080
#B7410EBlended: #9C6147#808080

Rust vs Grey: Key Differences at a Glance

Aspect Rust Grey
BrightnessDark (L=39%) — rich, serious, substantialMedium (L=50%) — balanced, versatile
SaturationVivid (S=86%) — bright, energetic, eye-catchingNear-neutral (S=0%) — desaturated and restrained
Hue familyOrangeGray
TemperatureWarmNeutral
Hex code#B7410E#808080
RGB183, 65, 14128, 128, 128

Can you use Rust and Grey together?

Grey text on Rust
Rust text on Grey
Contrast Ratio:1.41:1Insufficient Contrast

How to Tell Rust and Grey Apart

  • ●Look at lightness first: Grey is noticeably lighter.
  • ●Check saturation: Rust looks more vivid and saturated.
  • ●Watch the undertone: the hue shifts 18° between them, which changes the perceived temperature.
  • ●Compare them on a white background to see true saturation, and on black to see true lightness.

When to Use Rust vs Grey in Design

Use Rust for:
●Call-to-action buttons
●Autumn and harvest themes
●Food, citrus, warmth branding
●Youthful energetic campaigns
●Friendly notification badges
Use Grey for:
●Backgrounds and UI chrome
●Professional corporate design
●Minimalist and modern brands
●Text and secondary elements
●Architectural neutrals

Rust and Grey Hex Codes, RGB & HSL

Rust#B7410E

Rust (#B7410E) is a dark, vivid orange with a warm undertone — it feels rich, serious, substantial and bright, energetic, eye-catching.

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HSV
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PANTONE
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Grey#808080

Grey (#808080) is a medium, near-neutral gray with a neutral undertone — it feels balanced, versatile and desaturated and restrained.

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HSV
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Rust and Grey WCAG Contrast Ratios

Text legibility depends on the contrast ratio between foreground and background. WCAG 2.1 AA requires at least 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Use these numbers to choose accessible combinations for your design.

Sample text preview
Rust text on white
5.56:1AA
Sample text preview
Rust text on black
3.78:1AA Large
Sample text preview
Grey text on white
3.95:1AA Large
Sample text preview
Grey text on black
5.32:1AA
Sample text preview
Rust text on Grey
1.41:1Fail
Sample text preview
Grey text on Rust
1.41:1Fail

Explore Rust and Grey individually

Each color has a dedicated page with shades, tints, CSS name, pairings, and color psychology.

Rust color page#B7410E · shades, tints, pairingsGrey color page#808080 · shades, tints, pairings

More Rust and Grey Comparisons

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Rust vs Grey FAQ

What is the difference between rust and grey?+
The main difference between Rust and Grey is hue — Rust is a warm orange, while Grey is a neutral gray. Rust (#B7410E) has an HSL of 18°, 86%, 39%, whereas Grey (#808080) sits at 0°, 0%, 50%.
Is rust darker than grey?+
Yes. Rust is darker, with a lightness of 39% in HSL compared to Grey at 50% — a 11-point gap.
Are rust and grey the same color?+
No. Rust is #B7410E and Grey is #808080. They differ by 18° in hue, 11% in lightness, and 86% in saturation.
Which is more saturated, rust or grey?+
Rust is more saturated. In HSL, Rust has 86% saturation and Grey has 0% — Rust is the more vivid of the two, while Grey reads as more muted.
Is rust warm or cool?+
Rust (#B7410E) is a warm orange. Its hue sits at 18° on the color wheel, which places it in the warm range.
Is grey warm or cool?+
Grey (#808080) is a neutral gray. Its hue sits at 0° on the color wheel, which places it in the neutral range.
Can you use rust and grey together?+
Yes. Rust (orange) and Grey (gray) can work as a complementary or analogous pair. Use one as the dominant tone and the other as a 10–20% accent to keep the palette balanced.
What color family does rust belong to?+
Rust belongs to the orange family. Its HSL is 18°, 86%, 39% — a warm tone within the broader orange group.
What is the hex code for rust?+
The hex code for Rust is #B7410E. In RGB, that's rgb(183, 65, 14), and in HSL it's hsl(18, 86%, 39%).
What is the hex code for grey?+
The hex code for Grey is #808080. In RGB, that's rgb(128, 128, 128), and in HSL it's hsl(0, 0%, 50%).