#EFF3F9
Approximate name: White Smoke
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
WhiteSmoke
Relative luminance
0.893
Hue H
216°
Saturation S
45%
Lightness L
96%
Value V
98%
Temperature
Cool
Brightness
Light
Chroma
Muted
Hue family
Blue
Contrast on white: 1.11:1 (AA body Fail / AAA Fail)
Contrast on black: 18.86:1 (AA body Pass / AAA Pass)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#eff3f9
Protanopia
#f1f1f8
Deuteranopia
#f1f0f7
Tritanopia
#eff6f6
Achromatopsia
#f2f2f2
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.