#66FFAD
Approximate name: Aquamarine
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
Aquamarine
Relative luminance
0.774
Hue H
148°
Saturation S
100%
Lightness L
70%
Value V
100%
Temperature
Cool
Brightness
Light
Chroma
Vivid
Hue family
Green
Contrast on white: 1.27:1 (AA body Fail / AAA Fail)
Contrast on black: 16.47:1 (AA body Pass / AAA Pass)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#66ffad
Protanopia
#a8aac1
Deuteranopia
#9f94c6
Tritanopia
#6ed1d4
Achromatopsia
#c8c8c8
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.