Structural Steel Rust Grades (ISO 8501-1)
- Grade A (Intact Mill Scale) Blue-Gray#4a535c
- Grade B (Flaking) Rust Brown#8b4513
- Grade C (Pitted) Dark Orange-Brown#a0522d
- Grade D (Severely Pitted) Dark Brown#5c4033
Created at 10/29/2026 10:53
The palette consists of Semi dark colors. Accent colors Grade A (Intact Mill Scale) Blue-Gray #4a535c and Grade B (Flaking) Rust Brown #8b4513. Palette has Neutral, Warm colors temperature.
By lightness, this palette runs from #5C4033 (darkest) to #A0522D (lightest). The lightness range is relatively narrow.
Saturation is mixed — 1 muted and 2 vivid out of 4 colors.
An analogous palette: its hues sit close together on the color wheel, within about 6°.
Overall temperature among swatches leans warm (3 of 4).
HEX codes (sorted): #4A535C, #5C4033, #8B4513, #A0522D
Palette Structural Steel Rust Grades (ISO 8501-1) combines 4 color codes:
HEX: #4a535c, RGB: (74, 83, 92); HEX: #8b4513, RGB: (139, 69, 19); HEX: #a0522d, RGB: (160, 82, 45)
HEX: #5c4033, RGB: (92, 64, 51)
Simplified version of palette colors
Shade of Dim Gray, Saddle Brown, Sienna, Shade of Saddle Brown
Color scheme was created by colorday
Color codes in palette
Structural Steel Rust Grades (ISO 8501-1) color codes HEX, RGB information in table
| Color | HEX | RGB | Name | Alternative name |
|---|---|---|---|---|
| #4a535c | #4a535c | RGB(74, 83, 92) | Grade A (Intact Mill Scale) Blue-Gray | — |
| #8b4513 | #8b4513 | RGB(139, 69, 19) | Grade B (Flaking) Rust Brown | Saddlebrown |
| #a0522d | #a0522d | RGB(160, 82, 45) | Grade C (Pitted) Dark Orange-Brown | Sienna |
| #5c4033 | #5c4033 | RGB(92, 64, 51) | Grade D (Severely Pitted) Dark Brown | Pitch Mary Brown |
Color Palette Contrast
6 color pairs have low contrast and need improvement which may impact readability.
| Text Color | Background Color | Contrast Ratio |
|---|---|---|
#4a535c | #8b4513 | 1.1 |
#4a535c | #a0522d | 1.39 |
#4a535c | #5c4033 | 1.19 |
#8b4513 | #a0522d | 1.26 |
#8b4513 | #5c4033 | 1.32 |
#a0522d | #5c4033 | 1.67 |
Image palette Structural Steel Rust Grades (ISO 8501-1) png
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