#40BF80
Approximate name: Medium 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
MediumSeaGreen
Relative luminance
0.399
Hue H
150°
Saturation S
50%
Lightness L
50%
Value V
75%
Temperature
Cool
Brightness
Medium
Chroma
Muted
Hue family
Green
Contrast on white: 2.34:1 (AA body Fail / AAA Fail)
Contrast on black: 8.98:1 (AA body Pass / AAA Pass)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#40bf80
Protanopia
#77788f
Deuteranopia
#706693
Tritanopia
#469b9e
Achromatopsia
#929292
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.