RAL Effect

RAL 290-5

Dark Rust

RAL 290-5 Dark Rust is a deep rust-brown from the RAL Effect 290 group with intense, warm undertones. This commanding shade evokes weathered iron and aged brick, making it well suited for industrial design, exterior cladding, and bold warm accents. It provides a strong, grounded presence with industrial character.

Time9:36 AM
Light
Technical Reference

Color Reference

Hex#8E6640
RGBrgb(142, 102, 64)
HSLhsl(29°, 38%, 40%)
CMYKcmyk(0%, 28%, 55%, 44%)
RAL Effect Variant

RAL Effect colors combine a base shade with a metallic or pearl variant. Base shades (-1 through -6) offer tonal gradation within a color family. The -M suffix indicates a metallic finish with shimmer and depth for architectural and automotive applications.

Color Analysis
RGB Composition
R
142
G
102
B
64
Temperature
WarmCool
Contrast Accessibility
White text
5.1:1Pass
Black text
4.1:1Fail

WCAG 2.1 AA requires 4.5:1 contrast for normal text. Results show this color as a background.

Spectrum & Perceptual Position

Hue Spectrum
60°120°180°240°300°360°
CIELAB a*b* Chromaticity
-40-2002040-200204060a* (Green ← → Red)b* (Blue ← → Yellow)
L* (Lightness)46
a* (Green-Red)11
b* (Blue-Yellow)28
L* (LCh)46
C* (Chroma)30
h° (Hue)67°

CIELAB is a perceptually uniform color space. Euclidean distance between two colors in this diagram closely matches human visual difference. The dot size shows your selected color; slightly larger dots are the nearest perceptual neighbors.

Color Harmonies

Build a Palette Around Dark Rust

Palette Generator

Select a harmony type, then press Space to reroll unlocked colors.

1 locked / 4 free

Reference + opposite hue with tonal variations

Reference
#2
Complementary
#3
Complementary
#4
Complementary
#5
Split Comp +
Pairwise Contrast Ratios
1.2:1
·
2:1
·
3.2:1
·
2.5:1

Contrast ratios follow WCAG 2.1 guidelines. Green (≥4.5:1) passes AA for normal text. Amber (≥3:1) passes for large text only. Grey indicates low contrast.

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