#556B2F
Approximate name: Dark Olive Green
Technical formats
Color-space values for scientific work and cross-device comparison.
Practical formats
Ready to paste into CSS, Tailwind, iOS, Android, Flutter, and more.
Color analysis
Objective metrics: luminance, hue, saturation, temperature, and contrast.
Nearest name
DarkOliveGreen
Relative luminance
0.127
Hue H
82°
Saturation S
39%
Lightness L
30%
Value V
42%
Temperature
Warm
Brightness
Dark
Chroma
Muted
Hue family
Green
Contrast on white: 5.95:1 (AA body Pass / AAA Fail)
Contrast on black: 3.53:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#556b2f
Protanopia
#5f5f3e
Deuteranopia
#5d5c41
Tritanopia
#56494c
Achromatopsia
#5e5e5e
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.