#3F4D0A#3F4D0A

#3F4D0A is a dark, moderate yellow-green. Relative luminance 0.064; OKLCH L 39.4% C 0.089 H 121.4°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F4D0A
RGB	rgb(63, 77, 10)
HSL	hsl(73, 77%, 17%)
HSV	hsv(73, 87%, 30%)
CMYK	cmyk(18.2%, 0%, 87%, 69.8%)
CIE-LAB	lab(30.37, -15.58, 34.60)
CIE-LCH	lch(30.37, 37.94, 114.24°)
OKLab	oklab(39.44% -0.0462 0.0757)
OKLCH	oklch(39.44% 0.089 121.4)
XYZ	xyz(4.7586, 6.3864, 1.2691)
Luminance	0.0639 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4D0A #180A4D

analogous

#4D3A0A #3F4D0A #1E4D0A

triadic

#3F4D0A #0A3F4D #4D0A3F

tetradic

#3F4D0A #0A4D3A #180A4D #4D0A1E

square

#3F4D0A #0A4D3A #180A4D #4D0A1E

split-complementary

#3F4D0A #0A1E4D #3A0A4D

monochromatic

#161B04 #161B04 #3F4D0A #6B8311 #98B918

Accessibility & contrast

On white

9.22

#3F4D0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#3F4D0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4D0A

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4D0A	#FFFFFF	#000000	##FFFFFF
##3F4D0A	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)

#514811

Tritanopia (blue-blind)

#434841

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f4d0a;
/* rgb */ color: rgb(63, 77, 10);
/* oklch */ color: oklch(39.4% 0.089 121.4);

Tailwind

colors: {
  custom: {
    50: '#777e50',
    500: '#3f4d0a',
    950: '#000000',
  },
}

SCSS

$custom: #3f4d0a;
$custom-light: #777e50;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4d0a",
  "rgb": {
    "r": 63,
    "g": 77,
    "b": 10
  },
  "hsl": {
    "h": 72.537,
    "s": 77.011,
    "l": 17.059
  },
  "oklch": {
    "l": 0.39442,
    "c": 0.08867,
    "h": 121.4
  },
  "luminance": 0.06386
}

Semantic roles & 50–950 ramp

primary

#3F4D0A

secondary

#3D298A

accent

#34F45C

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090A02

muted

#7B7C78

Preview Lab

Preview with #3F4D0A

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

Preview Lab → · Contrast checker → · Palette generator →