#387A4E
Approximate name: Sea Green
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
SeaGreen
Relative luminance
0.153
Hue H
140°
Saturation S
37%
Lightness L
35%
Value V
48%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Green
Contrast on white: 5.17:1 (AA body Pass / AAA Fail)
Contrast on black: 4.06:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#387a4e
Protanopia
#555559
Deuteranopia
#514c5b
Tritanopia
#3b6163
Achromatopsia
#616161
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.