#3F4D0B#3F4D0B

#3F4D0B is a dark, moderate yellow-green. Relative luminance 0.064; OKLCH L 39.4% C 0.088 H 121.4°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F4D0B
RGB	rgb(63, 77, 11)
HSL	hsl(73, 75%, 17%)
HSV	hsv(73, 86%, 30%)
CMYK	cmyk(18.2%, 0%, 85.7%, 69.8%)
CIE-LAB	lab(30.37, -15.53, 34.26)
CIE-LCH	lch(30.37, 37.61, 114.38°)
OKLab	oklab(39.45% -0.0459 0.0752)
OKLCH	oklch(39.45% 0.088 121.4)
XYZ	xyz(4.7643, 6.3887, 1.2987)
Luminance	0.0639 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4D0B #190B4D

analogous

#4D3A0B #3F4D0B #1E4D0B

triadic

#3F4D0B #0B3F4D #4D0B3F

tetradic

#3F4D0B #0B4D3A #190B4D #4D0B1E

square

#3F4D0B #0B4D3A #190B4D #4D0B1E

split-complementary

#3F4D0B #0B1E4D #3A0B4D

monochromatic

#161B04 #161B04 #3F4D0B #6B8313 #97B81A

Accessibility & contrast

On white

9.22

#3F4D0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#3F4D0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4D0B

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4D0B	#FFFFFF	#000000	##FFFFFF
##3F4D0B	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524800

Deuteranopia (green-blind)

#514812

Tritanopia (blue-blind)

#434841

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f4d0b;
/* rgb */ color: rgb(63, 77, 11);
/* oklch */ color: oklch(39.4% 0.088 121.4);

Tailwind

colors: {
  custom: {
    50: '#777e51',
    500: '#3f4d0b',
    950: '#000000',
  },
}

SCSS

$custom: #3f4d0b;
$custom-light: #777e51;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4d0b",
  "rgb": {
    "r": 63,
    "g": 77,
    "b": 11
  },
  "hsl": {
    "h": 72.727,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.39448,
    "c": 0.08811,
    "h": 121.4
  },
  "luminance": 0.06389
}

Semantic roles & 50–950 ramp

primary

#3F4D0B

secondary

#3F2B89

accent

#36F25E

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090A02

muted

#7B7C78

Preview Lab

Preview with #3F4D0B

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

Preview Lab → · Contrast checker → · Palette generator →