#31400B#31400B

#31400B is a dark, moderate yellow-green. Relative luminance 0.043; OKLCH L 34.6% C 0.077 H 124.3°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#31400B
RGB	rgb(49, 64, 11)
HSL	hsl(77, 71%, 15%)
HSV	hsv(77, 83%, 25%)
CMYK	cmyk(23.4%, 0%, 82.8%, 74.9%)
CIE-LAB	lab(24.78, -14.98, 28.58)
CIE-LCH	lch(24.78, 32.27, 117.66°)
OKLab	oklab(34.64% -0.0435 0.0637)
OKLCH	oklch(34.64% 0.077 124.3)
XYZ	xyz(3.1605, 4.3439, 0.9885)
Luminance	0.0434 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31400B #1A0B40

analogous

#40350B #31400B #17400B

triadic

#31400B #0B3140 #400B31

tetradic

#31400B #0B4035 #1A0B40 #400B17

square

#31400B #0B4035 #1A0B40 #400B17

split-complementary

#31400B #0B1740 #350B40

monochromatic

#141A04 #141A04 #31400B #597414 #81A81D

Accessibility & contrast

On white

11.24

#31400B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#31400B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31400B

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31400B	#FFFFFF	#000000	##FFFFFF
##31400B	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443B03

Deuteranopia (green-blind)

#423B10

Tritanopia (blue-blind)

#343C36

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #31400b;
/* rgb */ color: rgb(49, 64, 11);
/* oklch */ color: oklch(34.6% 0.077 124.3);

Tailwind

colors: {
  custom: {
    50: '#6b744e',
    500: '#31400b',
    950: '#000000',
  },
}

SCSS

$custom: #31400b;
$custom-light: #6b744e;
$custom-dark: #000000;

JSON

{
  "hex": "#31400b",
  "rgb": {
    "r": 49,
    "g": 64,
    "b": 11
  },
  "hsl": {
    "h": 76.981,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.34643,
    "c": 0.07713,
    "h": 124.3
  },
  "luminance": 0.04344
}

Semantic roles & 50–950 ramp

primary

#31400B

secondary

#412A7D

accent

#3AED6D

background

#F6F7F4

surface

#EBEDE7

border

#C6C8C3

text

#070802

muted

#7A7B78

Preview Lab

Preview with #31400B

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

Preview Lab → · Contrast checker → · Palette generator →