#31571C#31571C

#31571C is a dark, moderate yellow-green. Relative luminance 0.076; OKLCH L 41.4% C 0.098 H 136.1°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#31571C
RGB	rgb(49, 87, 28)
HSL	hsl(99, 51%, 23%)
HSV	hsv(99, 68%, 34%)
CMYK	cmyk(43.7%, 0%, 67.8%, 65.9%)
CIE-LAB	lab(33.03, -25.46, 29.26)
CIE-LCH	lch(33.03, 38.79, 131.03°)
OKLab	oklab(41.41% -0.0706 0.0678)
OKLCH	oklch(41.41% 0.098 136.1)
XYZ	xyz(4.8843, 7.5529, 2.2989)
Luminance	0.0755 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31571C #421C57

analogous

#4E571C #31571C #1C5725

triadic

#31571C #1C3157 #571C31

tetradic

#31571C #1C4E57 #421C57 #57251C

square

#31571C #1C4E57 #421C57 #57251C

split-complementary

#31571C #251C57 #571C4E

monochromatic

#0D1707 #17290D #31571C #4B852B #65B43A

Accessibility & contrast

On white

8.36

#31571C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#31571C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31571C

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31571C	#FFFFFF	#000000	##FFFFFF
##31571C	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)

#5A5015

Deuteranopia (green-blind)

#554D21

Tritanopia (blue-blind)

#30544B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #31571c;
/* rgb */ color: rgb(49, 87, 28);
/* oklch */ color: oklch(41.4% 0.098 136.1);

Tailwind

colors: {
  custom: {
    50: '#6c875b',
    500: '#31571c',
    950: '#000000',
  },
}

SCSS

$custom: #31571c;
$custom-light: #6c875b;
$custom-dark: #000000;

JSON

{
  "hex": "#31571c",
  "rgb": {
    "r": 49,
    "g": 87,
    "b": 28
  },
  "hsl": {
    "h": 98.644,
    "s": 51.304,
    "l": 22.549
  },
  "oklch": {
    "l": 0.41411,
    "c": 0.09786,
    "h": 136.1
  },
  "luminance": 0.07553
}

Semantic roles & 50–950 ramp

primary

#31571C

secondary

#72428D

accent

#4DDBA8

background

#F6F8F5

surface

#ECEFE9

border

#C7CAC5

text

#070B04

muted

#7A7C79

Preview Lab

Preview with #31571C

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

Preview Lab → · Contrast checker → · Palette generator →