#66B6D2
Approximate name: Medium Turquoise
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
MediumTurquoise
Relative luminance
0.409
Hue H
196°
Saturation S
55%
Lightness L
61%
Value V
82%
Temperature
Cool
Brightness
Medium
Chroma
Vivid
Hue family
Cyan
Contrast on white: 2.29:1 (AA body Fail / AAA Fail)
Contrast on black: 9.19:1 (AA body Pass / AAA Pass)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#66b6d2
Protanopia
#8989cb
Deuteranopia
#847eca
Tritanopia
#6ac6c5
Achromatopsia
#a1a1a1
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.