#9DFF00
Approximate name: Chartreuse
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
Chartreuse
Relative luminance
0.787
Hue H
83°
Saturation S
100%
Lightness L
50%
Value V
100%
Temperature
Warm
Brightness
Light
Chroma
Vivid
Hue family
Green
Contrast on white: 1.25:1 (AA body Fail / AAA Fail)
Contrast on black: 16.74:1 (AA body Pass / AAA Pass)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#9dff00
Protanopia
#c7c83e
Deuteranopia
#c2ba4d
Tritanopia
#a26e79
Achromatopsia
#c5c5c5
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.