#3F4003#3F4003
#3F4003 is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 35.9% C 0.077 H 110.7°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).
Color values
| HEX | #3F4003 |
|---|---|
| RGB | rgb(63, 64, 3) |
| HSL | hsl(61, 91%, 13%) |
| HSV | hsv(61, 95%, 25%) |
| CMYK | cmyk(1.6%, 0%, 95.3%, 74.9%) |
| CIE-LAB | lab(25.95, -8.37, 33.39) |
| CIE-LCH | lch(25.95, 34.43, 104.08°) |
| OKLab | oklab(35.88% -0.0271 0.0716) |
| OKLCH | oklch(35.88% 0.077 110.7) |
| XYZ | xyz(3.8999, 4.7302, 0.7937) |
| Luminance | 0.0473 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Dark Olive
#373E02
ΔE00 2.54
Green Brown
#544E03
ΔE00 6.07
Dark Olive Green
#3C4D03
ΔE00 6.29
Navy Green
#35530A
ΔE00 9.82
Army Green
#4B5D16
ΔE00 10.28
Olive Brown
#645403
ΔE00 10.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F4003 #040340
analogous
#402203 #3F4003 #204003
triadic
#3F4003 #033F40 #40033F
tetradic
#3F4003 #034022 #040340 #400320
square
#3F4003 #034022 #040340 #400320
split-complementary
#3F4003 #032040 #220340
monochromatic
#1D1D01 #1D1D01 #3F4003 #797A06 #B2B508
Accessibility & contrast
On white
10.79
#3F4003 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.95
#3F4003 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F4003
10.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F4003 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F4003 | 1.00 | 10.79 | 1.95 | 10.79 |
| #FFFFFF | 10.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#463D00
Deuteranopia (green-blind)
#473E08
Tritanopia (blue-blind)
#443B35
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #3f4003; /* rgb */ color: rgb(63, 64, 3); /* oklch */ color: oklch(35.9% 0.077 110.7);
Tailwind
colors: {
custom: {
50: '#77744b',
500: '#3f4003',
950: '#000000',
},
}SCSS
$custom: #3f4003; $custom-light: #77744b; $custom-dark: #000000;
JSON
{
"hex": "#3f4003",
"rgb": {
"r": 63,
"g": 64,
"b": 3
},
"hsl": {
"h": 60.984,
"s": 91.045,
"l": 13.137
},
"oklch": {
"l": 0.35879,
"c": 0.07656,
"h": 110.7
},
"luminance": 0.0473
}Semantic roles & 50–950 ramp
primary
#3F4003
secondary
#1E1D82
accent
#29FF2C
background
#F7F7F4
surface
#EDEDE7
border
#C8C8C3
text
#090801
muted
#7B7B77