#31570C#31570C

#31570C is a dark, moderate yellow-green. Relative luminance 0.075; OKLCH L 41.3% C 0.109 H 133.6°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#31570C
RGB	rgb(49, 87, 12)
HSL	hsl(90, 76%, 19%)
HSV	hsv(90, 86%, 34%)
CMYK	cmyk(43.7%, 0%, 86.2%, 65.9%)
CIE-LAB	lab(32.91, -26.76, 35.91)
CIE-LCH	lch(32.91, 44.79, 126.69°)
OKLab	oklab(41.27% -0.0754 0.0793)
OKLCH	oklch(41.27% 0.109 133.6)
XYZ	xyz(4.7411, 7.4957, 1.5447)
Luminance	0.0750 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31570C #320C57

analogous

#57570C #31570C #0C570C

triadic

#31570C #0C3157 #570C31

tetradic

#31570C #0C5757 #320C57 #570C0C

square

#31570C #0C5757 #320C57 #570C0C

split-complementary

#31570C #0C0C57 #570C57

monochromatic

#0F1B04 #132105 #31570C #4F8D13 #6EC31B

Accessibility & contrast

On white

8.40

#31570C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#31570C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31570C

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31570C	#FFFFFF	#000000	##FFFFFF
##31570C	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B4F00

Deuteranopia (green-blind)

#564C15

Tritanopia (blue-blind)

#315349

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #31570c;
/* rgb */ color: rgb(49, 87, 12);
/* oklch */ color: oklch(41.3% 0.109 133.6);

Tailwind

colors: {
  custom: {
    50: '#6d8752',
    500: '#31570c',
    950: '#000000',
  },
}

SCSS

$custom: #31570c;
$custom-light: #6d8752;
$custom-dark: #000000;

JSON

{
  "hex": "#31570c",
  "rgb": {
    "r": 49,
    "g": 87,
    "b": 12
  },
  "hsl": {
    "h": 90.4,
    "s": 75.758,
    "l": 19.412
  },
  "oklch": {
    "l": 0.4127,
    "c": 0.10937,
    "h": 133.6
  },
  "luminance": 0.07496
}

Semantic roles & 50–950 ramp

primary

#31570C

secondary

#602D92

accent

#35F295

background

#F6F8F4

surface

#ECEFE7

border

#C7CAC3

text

#070B03

muted

#7A7C78

Preview Lab

Preview with #31570C

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

Preview Lab → · Contrast checker → · Palette generator →