#009991
Approximate name: Dark Cyan
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
DarkCyan
Relative luminance
0.248
Hue H
177°
Saturation S
100%
Lightness L
30%
Value V
60%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Cyan
Contrast on white: 3.52:1 (AA body Fail / AAA Fail)
Contrast on black: 5.97:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#009991
Protanopia
#424493
Deuteranopia
#392e93
Tritanopia
#089495
Achromatopsia
#6a6a6a
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.