Black Olive Color
#3F3F3F
Shades
Darker variations of each color in your palette
Base Color
#3F3F3F#3F3F3F
#323232
#262626
#191919
#0D0D0D
#000000
Shades
Tints
Lighter variations of each color in your palette
Base Color
#3F3F3F#3F3F3F
#656565
#8C8C8C
#B2B2B2
#D9D9D9
#FFFFFF
Tints
Base Color
Click any value to copy
| Format | Value | Image |
|---|---|---|
| HEX | #3F3F3F |  |
| RGB | 63, 63, 63 | |
| HSL | 0, 0%, 25% | |
| CMYK | 0%, 0%, 0%, 75% | |
| OKLCH | oklch(0.368 0.000 263) |
Color Harmonies
Explore harmonious color combinations based on color theory
Base Color
#3F3F3F#404040
#3F3F3F
#404040
Analogous
#3F3F3F
#404040
Complementary
#3F3F3F
#404040
#404040
Triadic
#3F3F3F
#404040
#404040
Split Complementary
#3F3F3F
#404040
#404040
#404040
Tetradic
#333333
#595959
#808080
#A6A6A6
#CCCCCC
Monochromatic
Hues
Different hues with the same saturation and lightness
Base Color
#3F3F3F#404040
#404040
#404040
#404040
#404040
#404040
Hues
Tones
Tones created by adding gray to each color
Base Color
#3F3F3F#3F3F3F
#4C4C4C
#595959
#666666
#737373
#808080
Tones
Color Temperatures
Warm and cool variations of your colors
Base Color
#3F3F3F#5C443C
#794939
#954E36
Warmer
#3C445C
#394979
#364E95
Cooler
Contrast
Test color contrast against white and black backgrounds
Color #1
#3F3F3FOn White Background
Sample Text
Contrast Ratio:10.53:1
WCAG Level:AAA
PASS
On Black Background
Sample Text
Contrast Ratio:1.99:1
WCAG Level:Fail
FAIL
WCAG Guidelines:
- AAA: Contrast ratio ≥ 7:1 (highest level)
- AA: Contrast ratio ≥ 4.5:1 (acceptable for most text)
- AA Large: Contrast ratio ≥ 3:1 (for text 18pt+ or 14pt+ bold)