#5F9899
Approximate name: Cadet Blue
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
CadetBlue
Relative luminance
0.272
Hue H
181°
Saturation S
23%
Lightness L
49%
Value V
60%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Cyan
Contrast on white: 3.26:1 (AA body Fail / AAA Fail)
Contrast on black: 6.44:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#5f9899
Protanopia
#787899
Deuteranopia
#747099
Tritanopia
#629999
Achromatopsia
#878787
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.