#3F501F#3F501F

#3F501F is a dark, moderate yellow-green. Relative luminance 0.069; OKLCH L 40.5% C 0.076 H 125.6°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F501F
RGB	rgb(63, 80, 31)
HSL	hsl(81, 44%, 22%)
HSV	hsv(81, 61%, 31%)
CMYK	cmyk(21.2%, 0%, 61.2%, 68.6%)
CIE-LAB	lab(31.56, -15.61, 26.28)
CIE-LCH	lch(31.56, 30.57, 120.71°)
OKLab	oklab(40.46% -0.0441 0.0616)
OKLCH	oklch(40.46% 0.076 125.6)
XYZ	xyz(5.1659, 6.8930, 2.3544)
Luminance	0.0689 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F501F #301F50

analogous

#50491F #3F501F #27501F

triadic

#3F501F #1F3F50 #501F3F

tetradic

#3F501F #1F5049 #301F50 #501F27

square

#3F501F #1F5049 #301F50 #501F27

split-complementary

#3F501F #1F2750 #491F50

monochromatic

#111609 #1C240E #3F501F #627C30 #84A841

Accessibility & contrast

On white

8.83

#3F501F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3F501F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F501F

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F501F	#FFFFFF	#000000	##FFFFFF
##3F501F	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B1A

Deuteranopia (green-blind)

#524A22

Tritanopia (blue-blind)

#424C45

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3f501f;
/* rgb */ color: rgb(63, 80, 31);
/* oklch */ color: oklch(40.5% 0.076 125.6);

Tailwind

colors: {
  custom: {
    50: '#75815c',
    500: '#3f501f',
    950: '#000000',
  },
}

SCSS

$custom: #3f501f;
$custom-light: #75815c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f501f",
  "rgb": {
    "r": 63,
    "g": 80,
    "b": 31
  },
  "hsl": {
    "h": 80.816,
    "s": 44.144,
    "l": 21.765
  },
  "oklch": {
    "l": 0.40464,
    "c": 0.07576,
    "h": 125.6
  },
  "luminance": 0.06893
}

Semantic roles & 50–950 ramp

primary

#3F501F

secondary

#5C4685

accent

#54D480

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#080A04

muted

#7B7C79

Preview Lab

Preview with #3F501F

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

Preview Lab → · Contrast checker → · Palette generator →