#40581A#40581A
#40581A is a dark, moderate yellow-green. Relative luminance 0.081; OKLCH L 42.7% C 0.092 H 128.0°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #40581A |
|---|---|
| RGB | rgb(64, 88, 26) |
| HSL | hsl(83, 54%, 22%) |
| HSV | hsv(83, 70%, 35%) |
| CMYK | cmyk(27.3%, 0%, 70.5%, 65.5%) |
| CIE-LAB | lab(34.28, -19.99, 31.86) |
| CIE-LCH | lch(34.28, 37.61, 122.10°) |
| OKLab | oklab(42.67% -0.0568 0.0728) |
| OKLCH | oklch(42.67% 0.092 128) |
| XYZ | xyz(5.7905, 8.1439, 2.2439) |
| Luminance | 0.0814 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Navy Green
#35530A
ΔE00 2.74
Army Green
#4B5D16
ΔE00 3.33
Camouflage Green
#4B6113
ΔE00 4.25
Dark Olive Green
#3C4D03
ΔE00 4.54
Camo Green
#526525
ΔE00 5.04
Forest Green
#2D5A27
ΔE00 5.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#40581A #321A58
analogous
#58511A #40581A #21581A
triadic
#40581A #1A4058 #581A40
tetradic
#40581A #1A5851 #321A58 #581A21
square
#40581A #1A5851 #321A58 #581A21
split-complementary
#40581A #1A2158 #511A58
monochromatic
#111807 #1E290C #40581A #628728 #85B636
Accessibility & contrast
On white
7.99
#40581A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#40581A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #40581A
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##40581A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##40581A | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D5212
Deuteranopia (green-blind)
#59501F
Tritanopia (blue-blind)
#42544B
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #40581a; /* rgb */ color: rgb(64, 88, 26); /* oklch */ color: oklch(42.7% 0.092 128.0);
Tailwind
colors: {
custom: {
50: '#77875a',
500: '#40581a',
950: '#000000',
},
}SCSS
$custom: #40581a; $custom-light: #77875a; $custom-dark: #000000;
JSON
{
"hex": "#40581a",
"rgb": {
"r": 64,
"g": 88,
"b": 26
},
"hsl": {
"h": 83.226,
"s": 54.386,
"l": 22.353
},
"oklch": {
"l": 0.42665,
"c": 0.09231,
"h": 128
},
"luminance": 0.08144
}Semantic roles & 50–950 ramp
primary
#40581A
secondary
#5E408E
accent
#4ADE83
background
#F7F8F5
surface
#EDEFE9
border
#C8CAC5
text
#090B04
muted
#7B7C79