#28400A#28400A
#28400A is a dark, moderate yellow-green. Relative luminance 0.041; OKLCH L 33.9% C 0.083 H 130.9°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).
Color values
| HEX | #28400A |
|---|---|
| RGB | rgb(40, 64, 10) |
| HSL | hsl(87, 73%, 15%) |
| HSV | hsv(87, 84%, 25%) |
| CMYK | cmyk(37.5%, 0%, 84.4%, 74.9%) |
| CIE-LAB | lab(24.13, -19.22, 28.15) |
| CIE-LCH | lch(24.13, 34.08, 124.33°) |
| OKLab | oklab(33.95% -0.0545 0.0628) |
| OKLCH | oklch(33.95% 0.083 130.9) |
| XYZ | xyz(2.7632, 4.1397, 0.9406) |
| Luminance | 0.0414 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Forrest Green
#154406
ΔE00 4.44
Hunter Green (survey)
#0B4008
ΔE00 5.28
Dark Olive
#373E02
ΔE00 5.87
Dark Olive Green
#3C4D03
ΔE00 6.28
Forest Green (survey)
#06470C
ΔE00 6.47
Dark Green
#033500
ΔE00 6.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#28400A #220A40
analogous
#403D0A #28400A #0D400A
triadic
#28400A #0A2840 #400A28
tetradic
#28400A #0A403D #220A40 #400A0D
square
#28400A #0A403D #220A40 #400A0D
split-complementary
#28400A #0A0D40 #3D0A40
monochromatic
#111A04 #111A04 #28400A #497512 #6AAA1B
Accessibility & contrast
On white
11.49
#28400A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.83
#28400A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #28400A
11.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##28400A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##28400A | 1.00 | 11.49 | 1.83 | 11.49 |
| #FFFFFF | 11.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.83 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#433B02
Deuteranopia (green-blind)
#40390F
Tritanopia (blue-blind)
#293D36
Achromatopsia (no color)
#393939
Design tokens & code
CSS
--color: #28400a; /* rgb */ color: rgb(40, 64, 10); /* oklch */ color: oklch(33.9% 0.083 130.9);
Tailwind
colors: {
custom: {
50: '#65754e',
500: '#28400a',
950: '#000000',
},
}SCSS
$custom: #28400a; $custom-light: #65754e; $custom-dark: #000000;
JSON
{
"hex": "#28400a",
"rgb": {
"r": 40,
"g": 64,
"b": 10
},
"hsl": {
"h": 86.667,
"s": 72.973,
"l": 14.51
},
"oklch": {
"l": 0.33946,
"c": 0.08319,
"h": 130.9
},
"luminance": 0.0414
}Semantic roles & 50–950 ramp
primary
#28400A
secondary
#4E297D
accent
#38F08A
background
#F6F7F4
surface
#EBEDE7
border
#C6C8C3
text
#060801
muted
#7A7B77