#3F4E0A#3F4E0A

#3F4E0A is a dark, moderate yellow-green. Relative luminance 0.065; OKLCH L 39.7% C 0.090 H 122.0°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E0A
RGB	rgb(63, 78, 10)
HSL	hsl(73, 77%, 17%)
HSV	hsv(73, 87%, 31%)
CMYK	cmyk(19.2%, 0%, 87.2%, 69.4%)
CIE-LAB	lab(30.71, -16.13, 34.90)
CIE-LCH	lch(30.71, 38.45, 114.80°)
OKLab	oklab(39.72% -0.0477 0.0764)
OKLCH	oklch(39.72% 0.09 122)
XYZ	xyz(4.8292, 6.5274, 1.2926)
Luminance	0.0653 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E0A #190A4E

analogous

#4E3B0A #3F4E0A #1D4E0A

triadic

#3F4E0A #0A3F4E #4E0A3F

tetradic

#3F4E0A #0A4E3B #190A4E #4E0A1D

square

#3F4E0A #0A4E3B #190A4E #4E0A1D

split-complementary

#3F4E0A #0A1D4E #3B0A4E

monochromatic

#161B03 #161B03 #3F4E0A #6B8411 #97BA18

Accessibility & contrast

On white

9.11

#3F4E0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3F4E0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E0A

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E0A	#FFFFFF	#000000	##FFFFFF
##3F4E0A	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534900

Deuteranopia (green-blind)

#514811

Tritanopia (blue-blind)

#434942

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3f4e0a;
/* rgb */ color: rgb(63, 78, 10);
/* oklch */ color: oklch(39.7% 0.090 122.0);

Tailwind

colors: {
  custom: {
    50: '#777f50',
    500: '#3f4e0a',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e0a;
$custom-light: #777f50;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e0a",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 10
  },
  "hsl": {
    "h": 73.235,
    "s": 77.273,
    "l": 17.255
  },
  "oklch": {
    "l": 0.39715,
    "c": 0.09002,
    "h": 122
  },
  "luminance": 0.06527
}

Semantic roles & 50–950 ramp

primary

#3F4E0A

secondary

#3F298B

accent

#34F45E

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090A02

muted

#7B7C78

Preview Lab

Preview with #3F4E0A

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

Preview Lab → · Contrast checker → · Palette generator →