#31571D#31571D

#31571D is a dark, moderate yellow-green. Relative luminance 0.076; OKLCH L 41.4% C 0.097 H 136.4°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#31571D
RGB	rgb(49, 87, 29)
HSL	hsl(99, 50%, 23%)
HSV	hsv(99, 67%, 34%)
CMYK	cmyk(43.7%, 0%, 66.7%, 65.9%)
CIE-LAB	lab(33.04, -25.35, 28.77)
CIE-LCH	lch(33.04, 38.35, 131.38°)
OKLab	oklab(41.42% -0.0702 0.0669)
OKLCH	oklch(41.42% 0.097 136.4)
XYZ	xyz(4.8965, 7.5578, 2.3630)
Luminance	0.0756 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31571D #431D57

analogous

#4E571D #31571D #1D5726

triadic

#31571D #1D3157 #571D31

tetradic

#31571D #1D4E57 #431D57 #57261D

square

#31571D #1D4E57 #431D57 #57261D

split-complementary

#31571D #261D57 #571D4E

monochromatic

#0D1708 #17290E #31571D #4B852C #65B33C

Accessibility & contrast

On white

8.36

#31571D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#31571D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31571D

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31571D	#FFFFFF	#000000	##FFFFFF
##31571D	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5016

Deuteranopia (green-blind)

#554D22

Tritanopia (blue-blind)

#30544B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #31571d;
/* rgb */ color: rgb(49, 87, 29);
/* oklch */ color: oklch(41.4% 0.097 136.4);

Tailwind

colors: {
  custom: {
    50: '#6c875c',
    500: '#31571d',
    950: '#000000',
  },
}

SCSS

$custom: #31571d;
$custom-light: #6c875c;
$custom-dark: #000000;

JSON

{
  "hex": "#31571d",
  "rgb": {
    "r": 49,
    "g": 87,
    "b": 29
  },
  "hsl": {
    "h": 99.31,
    "s": 50,
    "l": 22.745
  },
  "oklch": {
    "l": 0.41423,
    "c": 0.09695,
    "h": 136.4
  },
  "luminance": 0.07558
}

Semantic roles & 50–950 ramp

primary

#31571D

secondary

#73448C

accent

#4EDAAA

background

#F6F8F5

surface

#ECEFE9

border

#C7CAC5

text

#070B04

muted

#7A7C79

Preview Lab

Preview with #31571D

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

Preview Lab → · Contrast checker → · Palette generator →