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Rust vs Scarlet: What's the Difference?

The main difference between Rust and Scarlet is hue — Rust is a warm orange, while Scarlet is a warm red. Rust (#B7410E) has an HSL of 18°, 86%, 39%, whereas Scarlet (#FF2400) sits at 8°, 100%, 50%.

Rust#B7410E
Scarlet#FF2400
#B7410EBlended: #DB3307#FF2400
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Rust vs Scarlet: Key Differences at a Glance

Aspect Rust Scarlet
BrightnessDark (L=39%) — rich, serious, substantialMedium (L=50%) — balanced, versatile
SaturationVivid (S=86%) — bright, energetic, eye-catchingVivid (S=100%) — bright, energetic, eye-catching
Hue familyOrangeRed
TemperatureWarmWarm
Hex code#B7410E#FF2400
RGB183, 65, 14255, 36, 0

Can you use Rust and Scarlet together?

Scarlet text on Rust
Rust text on Scarlet
Contrast Ratio:1.46:1Insufficient Contrast

How to Tell Rust and Scarlet Apart

  • ●Look at lightness first: Scarlet is noticeably lighter.
  • ●Check saturation: Scarlet looks more vivid and saturated.
  • ●Watch the undertone: the hue shifts 10° between them, which changes the perceived temperature.
  • ●Compare them on a white background to see true saturation, and on black to see true lightness.

Rust or Scarlet: Which to Use and Where

Four real design scenarios, with the recommended pick based on hue, saturation, and WCAG contrast.

◆Branding & logos
PickScarlet

Scarlet is more saturated (100% HSL vs 86%) so it reads as bolder and more memorable at logo scale, while Rust can feel washed out when printed small.

▢Web UI & body text backgrounds
PickRust

Rust hits a 5.56:1 WCAG contrast against white — safer for text-heavy interfaces — where Scarlet only reaches 3.82:1 and risks failing AA at small body sizes.

⬡Fashion & apparel
PickScarlet

Scarlet is a warm tone that flatters spring/summer collections and warmer skin undertones, while Rust leans warmer and is better suited to autumn/winter layering.

▣Interior design & walls
PickRust

Rust is the more muted of the two (86% saturation) and sits more calmly on large wall surfaces, while Scarlet's higher chroma can overwhelm a room when used beyond accent pieces.

When to Use Rust vs Scarlet in Design

Use Rust for:
●Call-to-action buttons
●Autumn and harvest themes
●Food, citrus, warmth branding
●Youthful energetic campaigns
●Friendly notification badges
Use Scarlet for:
●Alerts, errors, stop states
●Sale & promotion banners
●Food and beverage packaging
●Sports and energy branding
●Romantic & bold fashion

Rust and Scarlet 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.

HEX
RGB
HSL
HSV
CMYK
PANTONE
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Scarlet#FF2400

Scarlet (#FF2400) is a medium, vivid red with a warm undertone — it feels balanced, versatile and bright, energetic, eye-catching.

HEX
RGB
HSL
HSV
CMYK
PANTONE
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Rust and Scarlet 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
Scarlet text on white
3.82:1AA Large
Sample text preview
Scarlet text on black
5.5:1AA
Sample text preview
Rust text on Scarlet
1.46:1Fail
Sample text preview
Scarlet text on Rust
1.46:1Fail

Explore Rust and Scarlet individually

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

Rust color page#B7410E · shades, tints, pairingsScarlet color page#FF2400 · shades, tints, pairings

More Rust and Scarlet Comparisons

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Rust vs Scarlet FAQ

What is the difference between rust and scarlet?+
The main difference between Rust and Scarlet is hue — Rust is a warm orange, while Scarlet is a warm red. Rust (#B7410E) has an HSL of 18°, 86%, 39%, whereas Scarlet (#FF2400) sits at 8°, 100%, 50%.
Is rust darker than scarlet?+
Yes. Rust is darker, with a lightness of 39% in HSL compared to Scarlet at 50% — a 11-point gap.
Are rust and scarlet the same color?+
No. Rust is #B7410E and Scarlet is #FF2400. They differ by 10° in hue, 11% in lightness, and 14% in saturation.
Which is more saturated, rust or scarlet?+
Scarlet is more saturated. In HSL, Rust has 86% saturation and Scarlet has 100% — Scarlet is the more vivid of the two, while Rust 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 scarlet warm or cool?+
Scarlet (#FF2400) is a warm red. Its hue sits at 8° on the color wheel, which places it in the warm range.
Can you use rust and scarlet together?+
Yes. Rust (orange) and Scarlet (red) 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 scarlet?+
The hex code for Scarlet is #FF2400. In RGB, that's rgb(255, 36, 0), and in HSL it's hsl(8, 100%, 50%).