#3F4F11#3F4F11

#3F4F11 is a dark, moderate yellow-green. Relative luminance 0.067; OKLCH L 40.0% C 0.087 H 123.1°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#3F4F11
RGB	rgb(63, 79, 17)
HSL	hsl(75, 65%, 19%)
HSV	hsv(75, 78%, 31%)
CMYK	cmyk(20.3%, 0%, 78.5%, 69%)
CIE-LAB	lab(31.09, -16.28, 32.60)
CIE-LCH	lch(31.09, 36.44, 116.54°)
OKLab	oklab(40.04% -0.0474 0.0729)
OKLCH	oklch(40.04% 0.087 123.1)
XYZ	xyz(4.9471, 6.6892, 1.5607)
Luminance	0.0669 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4F11 #21114F

analogous

#4F4011 #3F4F11 #204F11

triadic

#3F4F11 #113F4F #4F113F

tetradic

#3F4F11 #114F40 #21114F #4F1120

square

#3F4F11 #114F40 #21114F #4F1120

split-complementary

#3F4F11 #11204F #40114F

monochromatic

#141905 #171D06 #3F4F11 #67811C #8FB427

Accessibility & contrast

On white

8.98

#3F4F11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3F4F11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4F11

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4F11	#FFFFFF	#000000	##FFFFFF
##3F4F11	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544A06

Deuteranopia (green-blind)

#524916

Tritanopia (blue-blind)

#434B43

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3f4f11;
/* rgb */ color: rgb(63, 79, 17);
/* oklch */ color: oklch(40.0% 0.087 123.1);

Tailwind

colors: {
  custom: {
    50: '#768054',
    500: '#3f4f11',
    950: '#000000',
  },
}

SCSS

$custom: #3f4f11;
$custom-light: #768054;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4f11",
  "rgb": {
    "r": 63,
    "g": 79,
    "b": 17
  },
  "hsl": {
    "h": 75.484,
    "s": 64.583,
    "l": 18.824
  },
  "oklch": {
    "l": 0.40039,
    "c": 0.08694,
    "h": 123.1
  },
  "luminance": 0.06689
}

Semantic roles & 50–950 ramp

primary

#3F4F11

secondary

#493388

accent

#40E86B

background

#F7F7F5

surface

#EDEEE8

border

#C8C9C4

text

#090A03

muted

#7B7C78

Preview Lab

Preview with #3F4F11

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

Preview Lab → · Contrast checker → · Palette generator →