#3F4F17#3F4F17

#3F4F17 is a dark, moderate yellow-green. Relative luminance 0.067; OKLCH L 40.1% C 0.082 H 123.7°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#3F4F17
RGB	rgb(63, 79, 23)
HSL	hsl(77, 55%, 20%)
HSV	hsv(77, 71%, 31%)
CMYK	cmyk(20.3%, 0%, 70.9%, 69%)
CIE-LAB	lab(31.14, -15.83, 29.93)
CIE-LCH	lch(31.14, 33.86, 117.88°)
OKLab	oklab(40.1% -0.0456 0.0683)
OKLCH	oklch(40.1% 0.082 123.7)
XYZ	xyz(5.0006, 6.7106, 1.8423)
Luminance	0.0671 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4F17 #27174F

analogous

#4F4317 #3F4F17 #234F17

triadic

#3F4F17 #173F4F #4F173F

tetradic

#3F4F17 #174F43 #27174F #4F1723

square

#3F4F17 #174F43 #27174F #4F1723

split-complementary

#3F4F17 #17234F #43174F

monochromatic

#131807 #192009 #3F4F17 #657E25 #8BAE33

Accessibility & contrast

On white

8.97

#3F4F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3F4F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4F17

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4F17	#FFFFFF	#000000	##FFFFFF
##3F4F17	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544A10

Deuteranopia (green-blind)

#52491B

Tritanopia (blue-blind)

#424B43

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3f4f17;
/* rgb */ color: rgb(63, 79, 23);
/* oklch */ color: oklch(40.1% 0.082 123.7);

Tailwind

colors: {
  custom: {
    50: '#768057',
    500: '#3f4f17',
    950: '#000000',
  },
}

SCSS

$custom: #3f4f17;
$custom-light: #768057;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4f17",
  "rgb": {
    "r": 63,
    "g": 79,
    "b": 23
  },
  "hsl": {
    "h": 77.143,
    "s": 54.902,
    "l": 20
  },
  "oklch": {
    "l": 0.40095,
    "c": 0.08208,
    "h": 123.7
  },
  "luminance": 0.06711
}

Semantic roles & 50–950 ramp

primary

#3F4F17

secondary

#513C86

accent

#4ADE74

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#090A03

muted

#7B7C78

Preview Lab

Preview with #3F4F17

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

Preview Lab → · Contrast checker → · Palette generator →