#3F4B11#3F4B11

#3F4B11 is a dark, moderate yellow-green. Relative luminance 0.061; OKLCH L 38.9% C 0.081 H 120.5°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#3F4B11
RGB	rgb(63, 75, 17)
HSL	hsl(72, 63%, 18%)
HSV	hsv(72, 77%, 29%)
CMYK	cmyk(16%, 0%, 77.3%, 70.6%)
CIE-LAB	lab(29.74, -14.05, 31.26)
CIE-LCH	lch(29.74, 34.27, 114.19°)
OKLab	oklab(38.95% -0.0413 0.07)
OKLCH	oklch(38.95% 0.081 120.5)
XYZ	xyz(4.6672, 6.1294, 1.4674)
Luminance	0.0613 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4B11 #1D114B

analogous

#4B3A11 #3F4B11 #224B11

triadic

#3F4B11 #113F4B #4B113F

tetradic

#3F4B11 #114B3A #1D114B #4B1122

square

#3F4B11 #114B3A #1D114B #4B1122

split-complementary

#3F4B11 #11224B #3A114B

monochromatic

#151906 #151906 #3F4B11 #697D1C #93AF28

Accessibility & contrast

On white

9.43

#3F4B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3F4B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4B11

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4B11	#FFFFFF	#000000	##FFFFFF
##3F4B11	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504608

Deuteranopia (green-blind)

#4F4616

Tritanopia (blue-blind)

#434740

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3f4b11;
/* rgb */ color: rgb(63, 75, 17);
/* oklch */ color: oklch(38.9% 0.081 120.5);

Tailwind

colors: {
  custom: {
    50: '#767d53',
    500: '#3f4b11',
    950: '#000000',
  },
}

SCSS

$custom: #3f4b11;
$custom-light: #767d53;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4b11",
  "rgb": {
    "r": 63,
    "g": 75,
    "b": 17
  },
  "hsl": {
    "h": 72.414,
    "s": 63.043,
    "l": 18.039
  },
  "oklch": {
    "l": 0.38948,
    "c": 0.08129,
    "h": 120.5
  },
  "luminance": 0.06129
}

Semantic roles & 50–950 ramp

primary

#3F4B11

secondary

#443384

accent

#42E664

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090903

muted

#7B7B78

Preview Lab

Preview with #3F4B11

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →