#283F04#283F04
#283F04 is a dark, moderate yellow-green. Relative luminance 0.040; OKLCH L 33.6% C 0.086 H 129.6°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).
Color values
| HEX | #283F04 |
|---|---|
| RGB | rgb(40, 63, 4) |
| HSL | hsl(83, 88%, 13%) |
| HSV | hsv(83, 94%, 25%) |
| CMYK | cmyk(36.5%, 0%, 93.7%, 75.3%) |
| CIE-LAB | lab(23.72, -19.13, 30.19) |
| CIE-LCH | lch(23.72, 35.74, 122.36°) |
| OKLab | oklab(33.6% -0.0548 0.0663) |
| OKLCH | oklch(33.6% 0.086 129.6) |
| XYZ | xyz(2.6745, 4.0148, 0.7489) |
| Luminance | 0.0401 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Forrest Green
#154406
ΔE00 4.85
Dark Olive
#373E02
ΔE00 5.27
Hunter Green (survey)
#0B4008
ΔE00 5.80
Dark Olive Green
#3C4D03
ΔE00 5.88
Navy Green
#35530A
ΔE00 6.52
Racing Green
#014600
ΔE00 6.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#283F04 #1B043F
analogous
#3F3804 #283F04 #0A3F04
triadic
#283F04 #04283F #3F0428
tetradic
#283F04 #043F38 #1B043F #3F040A
square
#283F04 #043F38 #1B043F #3F040A
split-complementary
#283F04 #040A3F #38043F
monochromatic
#121D02 #121D02 #283F04 #4D7908 #71B20B
Accessibility & contrast
On white
11.65
#283F04 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.80
#283F04 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #283F04
11.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##283F04 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##283F04 | 1.00 | 11.65 | 1.80 | 11.65 |
| #FFFFFF | 11.65 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.80 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.65 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#433A00
Deuteranopia (green-blind)
#3F380A
Tritanopia (blue-blind)
#293C34
Achromatopsia (no color)
#383838
Design tokens & code
CSS
--color: #283f04; /* rgb */ color: rgb(40, 63, 4); /* oklch */ color: oklch(33.6% 0.086 129.6);
Tailwind
colors: {
custom: {
50: '#65744a',
500: '#283f04',
950: '#000000',
},
}SCSS
$custom: #283f04; $custom-light: #65744a; $custom-dark: #000000;
JSON
{
"hex": "#283f04",
"rgb": {
"r": 40,
"g": 63,
"b": 4
},
"hsl": {
"h": 83.39,
"s": 88.06,
"l": 13.137
},
"oklch": {
"l": 0.336,
"c": 0.08603,
"h": 129.6
},
"luminance": 0.04015
}Semantic roles & 50–950 ramp
primary
#283F04
secondary
#451E80
accent
#2AFE7C
background
#F6F7F4
surface
#EBEDE7
border
#C6C8C3
text
#060801
muted
#7A7B77