#28571B#28571B
#28571B is a dark, moderate green. Relative luminance 0.073; OKLCH L 40.9% C 0.104 H 139.5°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).
Color values
| HEX | #28571B |
|---|---|
| RGB | rgb(40, 87, 27) |
| HSL | hsl(107, 53%, 22%) |
| HSV | hsv(107, 69%, 34%) |
| CMYK | cmyk(54%, 0%, 69%, 65.9%) |
| CIE-LAB | lab(32.58, -28.78, 29.14) |
| CIE-LCH | lch(32.58, 40.96, 134.65°) |
| OKLab | oklab(40.92% -0.079 0.0675) |
| OKLCH | oklch(40.92% 0.104 139.5) |
| XYZ | xyz(4.4809, 7.3463, 2.2186) |
| Luminance | 0.0735 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Forest Green
#2D5A27
ΔE00 2.31
Forest
#0B5509
ΔE00 3.46
Deep Green
#02590F
ΔE00 3.83
Navy Green
#35530A
ΔE00 4.74
Bottle Green
#044A05
ΔE00 5.13
Darkgreen (survey)
#054907
ΔE00 5.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#28571B #4A1B57
analogous
#46571B #28571B #1B572C
triadic
#28571B #1B2857 #571B28
tetradic
#28571B #1B4657 #4A1B57 #572C1B
square
#28571B #1B4657 #4A1B57 #572C1B
split-complementary
#28571B #2C1B57 #571B46
monochromatic
#0B1707 #13280D #28571B #3D8629 #53B438
Accessibility & contrast
On white
8.50
#28571B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.47
#28571B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #28571B
8.50:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##28571B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##28571B | 1.00 | 8.50 | 2.47 | 8.50 |
| #FFFFFF | 8.50 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.50 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A4F14
Deuteranopia (green-blind)
#534B20
Tritanopia (blue-blind)
#24544A
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #28571b; /* rgb */ color: rgb(40, 87, 27); /* oklch */ color: oklch(40.9% 0.104 139.5);
Tailwind
colors: {
custom: {
50: '#67875a',
500: '#28571b',
950: '#000000',
},
}SCSS
$custom: #28571b; $custom-light: #67875a; $custom-dark: #000000;
JSON
{
"hex": "#28571b",
"rgb": {
"r": 40,
"g": 87,
"b": 27
},
"hsl": {
"h": 107,
"s": 52.632,
"l": 22.353
},
"oklch": {
"l": 0.40917,
"c": 0.10395,
"h": 139.5
},
"luminance": 0.07347
}Semantic roles & 50–950 ramp
primary
#28571B
secondary
#7C418D
accent
#4CDCBD
background
#F6F8F5
surface
#EBEFE9
border
#C6CAC5
text
#060B04
muted
#7A7C79