#181F05#181F05
#181F05 is a very dark, muted yellow-green. Relative luminance 0.012; OKLCH L 22.5% C 0.045 H 122.5°. Best body text is #FFFFFF at 16.98:1 contrast (WCAG AA passes).
Color values
| HEX | #181F05 |
|---|---|
| RGB | rgb(24, 31, 5) |
| HSL | hsl(76, 72%, 7%) |
| HSV | hsv(76, 84%, 12%) |
| CMYK | cmyk(22.6%, 0%, 83.9%, 87.8%) |
| CIE-LAB | lab(10.45, -8.45, 13.36) |
| CIE-LCH | lch(10.45, 15.81, 122.30°) |
| OKLab | oklab(22.51% -0.0244 0.0383) |
| OKLCH | oklch(22.51% 0.045 122.5) |
| XYZ | xyz(0.8941, 1.1851, 0.3252) |
| Luminance | 0.0118 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Very Dark Green
#062E03
ΔE00 10.13
Dark Forest Green
#002D04
ΔE00 10.58
Dark Green
#033500
ΔE00 12.33
Almost Black
#070D0D
ΔE00 12.95
Dark Olive
#373E02
ΔE00 13.36
Charcoal (survey)
#343837
ΔE00 14.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#181F05 #0C051F
analogous
#1F1905 #181F05 #0B1F05
triadic
#181F05 #05181F #1F0518
tetradic
#181F05 #051F19 #0C051F #1F050B
square
#181F05 #051F19 #0C051F #1F050B
split-complementary
#181F05 #050B1F #19051F
monochromatic
#141A04 #141A04 #181F05 #41540E #6A8816
Accessibility & contrast
On white
16.98
#181F05 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#181F05 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #181F05
16.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##181F05 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##181F05 | 1.00 | 16.98 | 1.24 | 16.98 |
| #FFFFFF | 16.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#211D03
Deuteranopia (green-blind)
#201C06
Tritanopia (blue-blind)
#1A1D19
Achromatopsia (no color)
#1C1C1C
Design tokens & code
CSS
--color: #181f05; /* rgb */ color: rgb(24, 31, 5); /* oklch */ color: oklch(22.5% 0.045 122.5);
Tailwind
colors: {
custom: {
50: '#545a49',
500: '#181f05',
950: '#000000',
},
}SCSS
$custom: #181f05; $custom-light: #545a49; $custom-dark: #000000;
JSON
{
"hex": "#181f05",
"rgb": {
"r": 24,
"g": 31,
"b": 5
},
"hsl": {
"h": 76.154,
"s": 72.222,
"l": 7.059
},
"oklch": {
"l": 0.2251,
"c": 0.04542,
"h": 122.5
},
"luminance": 0.01185
}Semantic roles & 50–950 ramp
primary
#181F05
secondary
#312060
accent
#39EF6A
background
#F4F5F4
surface
#E7E9E6
border
#C3C5C2
text
#030300
muted
#787877