#181F03#181F03
#181F03 is a very dark, muted yellow-green. Relative luminance 0.012; OKLCH L 22.5% C 0.049 H 121.8°. Best body text is #FFFFFF at 16.99:1 contrast (WCAG AA passes).
Color values
| HEX | #181F03 |
|---|---|
| RGB | rgb(24, 31, 3) |
| HSL | hsl(75, 82%, 7%) |
| HSV | hsv(75, 90%, 12%) |
| CMYK | cmyk(22.6%, 0%, 90.3%, 87.8%) |
| CIE-LAB | lab(10.41, -8.74, 14.13) |
| CIE-LCH | lch(10.41, 16.61, 121.74°) |
| OKLab | oklab(22.47% -0.0256 0.0413) |
| OKLCH | oklch(22.47% 0.049 121.8) |
| XYZ | xyz(0.8831, 1.1807, 0.2675) |
| Luminance | 0.0118 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Very Dark Green
#062E03
ΔE00 9.85
Dark Forest Green
#002D04
ΔE00 10.32
Dark Green
#033500
ΔE00 12.03
Dark Olive
#373E02
ΔE00 13.07
Almost Black
#070D0D
ΔE00 13.37
Hunter Green (survey)
#0B4008
ΔE00 14.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#181F03 #0A031F
analogous
#1F1803 #181F03 #0A1F03
triadic
#181F03 #03181F #1F0318
tetradic
#181F03 #031F18 #0A031F #1F030A
square
#181F03 #031F18 #0A031F #1F030A
split-complementary
#181F03 #030A1F #18031F
monochromatic
#161C03 #161C03 #181F03 #435708 #6E8F0E
Accessibility & contrast
On white
16.99
#181F03 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#181F03 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #181F03
16.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##181F03 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##181F03 | 1.00 | 16.99 | 1.24 | 16.99 |
| #FFFFFF | 16.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#221C01
Deuteranopia (green-blind)
#211C04
Tritanopia (blue-blind)
#1A1D19
Achromatopsia (no color)
#1C1C1C
Design tokens & code
CSS
--color: #181f03; /* rgb */ color: rgb(24, 31, 3); /* oklch */ color: oklch(22.5% 0.049 121.8);
Tailwind
colors: {
custom: {
50: '#545a48',
500: '#181f03',
950: '#000000',
},
}SCSS
$custom: #181f03; $custom-light: #545a48; $custom-dark: #000000;
JSON
{
"hex": "#181f03",
"rgb": {
"r": 24,
"g": 31,
"b": 3
},
"hsl": {
"h": 75,
"s": 82.353,
"l": 6.667
},
"oklch": {
"l": 0.22473,
"c": 0.0486,
"h": 121.8
},
"luminance": 0.01181
}Semantic roles & 50–950 ramp
primary
#181F03
secondary
#2D1B63
accent
#2FF961
background
#F4F5F4
surface
#E7E9E6
border
#C3C5C2
text
#030300
muted
#787877