#3F4F19#3F4F19

#3F4F19 is a dark, moderate yellow-green. Relative luminance 0.067; OKLCH L 40.1% C 0.080 H 124.0°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F4F19
RGB	rgb(63, 79, 25)
HSL	hsl(78, 52%, 20%)
HSV	hsv(78, 68%, 31%)
CMYK	cmyk(20.3%, 0%, 68.4%, 69%)
CIE-LAB	lab(31.16, -15.65, 28.96)
CIE-LCH	lch(31.16, 32.92, 118.39°)
OKLab	oklab(40.12% -0.0449 0.0665)
OKLCH	oklch(40.12% 0.08 124)
XYZ	xyz(5.0214, 6.7189, 1.9518)
Luminance	0.0672 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4F19 #29194F

analogous

#4F4419 #3F4F19 #244F19

triadic

#3F4F19 #193F4F #4F193F

tetradic

#3F4F19 #194F44 #29194F #4F1924

square

#3F4F19 #194F44 #29194F #4F1924

split-complementary

#3F4F19 #19244F #44194F

monochromatic

#131707 #1A210A #3F4F19 #647D28 #89AC36

Accessibility & contrast

On white

8.96

#3F4F19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3F4F19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4F19

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4F19	#FFFFFF	#000000	##FFFFFF
##3F4F19	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544A12

Deuteranopia (green-blind)

#52491D

Tritanopia (blue-blind)

#424B44

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3f4f19;
/* rgb */ color: rgb(63, 79, 25);
/* oklch */ color: oklch(40.1% 0.080 124.0);

Tailwind

colors: {
  custom: {
    50: '#768058',
    500: '#3f4f19',
    950: '#000000',
  },
}

SCSS

$custom: #3f4f19;
$custom-light: #768058;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4f19",
  "rgb": {
    "r": 63,
    "g": 79,
    "b": 25
  },
  "hsl": {
    "h": 77.778,
    "s": 51.923,
    "l": 20.392
  },
  "oklch": {
    "l": 0.40117,
    "c": 0.08025,
    "h": 124
  },
  "luminance": 0.06719
}

Semantic roles & 50–950 ramp

primary

#3F4F19

secondary

#533E85

accent

#4CDB77

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#080A03

muted

#7B7C78

Preview Lab

Preview with #3F4F19

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

Preview Lab → · Contrast checker → · Palette generator →