Yellow

RAL 1020

Olive Yellow

RAL 1020 Olive Yellow is a muted, earthy yellow-green that evokes natural landscapes and military heritage. This subdued tone blends into outdoor environments, making it a practical choice for landscape architecture, outdoor equipment, and utility structures that need to harmonize with natural surroundings. Olive Yellow has historical military applications and continues to be specified for equipment and structures where visual discretion is valued over visibility.

Time9:36 AM
Light
Technical Reference

Color Reference

Hex#999950
RGBrgb(153, 153, 80)
HSLhsl(60°, 31%, 46%)
CMYKcmyk(0%, 0%, 48%, 40%)
Color Analysis
RGB Composition
R
153
G
153
B
80
Temperature
WarmCool
Contrast Accessibility
White text
3:1Fail
Black text
7:1Pass

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
-4004080-4004080a* (Green ← → Red)b* (Blue ← → Yellow)
L* (Lightness)62
a* (Green-Red)-11
b* (Blue-Yellow)38
L* (LCh)62
C* (Chroma)40
h° (Hue)106°

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 Olive Yellow

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
2.6:1
·
1.9:1
·
2.8:1
·
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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