RAL Design

RAL 050 40 25

Warm Ochre

RAL 050 40 25 Warm Ochre sits at hue 050, lightness 40, and chroma 25, a warm earthy mid-dark yellow reminiscent of natural yellow ochre pigment and sun-baked sandstone. It is specified for natural stone colour coordination, pottery studio fittings, and rustic restaurant interior millwork. The moderate chroma and darkness produce a colour that feels organic, grounded, and connected to ancient earth pigments.

Time9:36 AM
Light
Technical Reference

Color Reference

Hex#907040
RGBrgb(144, 112, 64)
HSLhsl(36°, 38%, 41%)
CMYKcmyk(0%, 22%, 56%, 44%)
RAL Design HLC
Hue50°
Lightness40
Chroma25

The RAL Design system uses Hue-Lightness-Chroma (HLC) notation. Hue describes the color family (0-360°), Lightness describes brightness (0-100), and Chroma describes saturation intensity (0-100+).

Color Analysis
RGB Composition
R
144
G
112
B
64
Temperature
WarmCool
Contrast Accessibility
White text
4.6:1Pass
Black text
4.6:1Pass

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
-3003060-3003060a* (Green ← → Red)b* (Blue ← → Yellow)
L* (Lightness)49
a* (Green-Red)7
b* (Blue-Yellow)31
L* (LCh)49
C* (Chroma)32
h° (Hue)78°

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 Warm Ochre

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
1.3:1
·
1.3:1
·
1.9:1
·
1.9:1

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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