#31731F#31731F

#31731F is a mid, vivid green. Relative luminance 0.130; OKLCH L 49.4% C 0.135 H 139.7°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#31731F
RGB	rgb(49, 115, 31)
HSL	hsl(107, 58%, 29%)
HSV	hsv(107, 73%, 45%)
CMYK	cmyk(57.4%, 0%, 73%, 54.9%)
CIE-LAB	lab(42.78, -37.55, 38.34)
CIE-LCH	lch(42.78, 53.66, 134.40°)
OKLab	oklab(49.43% -0.1031 0.0873)
OKLCH	oklch(49.43% 0.135 139.7)
XYZ	xyz(7.6444, 13.0127, 3.4049)
Luminance	0.1301 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31731F #611F73

analogous

#5B731F #31731F #1F7337

triadic

#31731F #1F3173 #731F31

tetradic

#31731F #1F5B73 #611F73 #73371F

square

#31731F #1F5B73 #611F73 #73371F

split-complementary

#31731F #371F73 #731F5B

monochromatic

#0A1806 #1C4312 #31731F #46A32C #5ECC41

Accessibility & contrast

On white

5.83

#31731F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#31731F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31731F

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31731F	#FFFFFF	#000000	##FFFFFF
##31731F	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766812

Deuteranopia (green-blind)

#6E6327

Tritanopia (blue-blind)

#2A6F62

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #31731f;
/* rgb */ color: rgb(49, 115, 31);
/* oklch */ color: oklch(49.4% 0.135 139.7);

Tailwind

colors: {
  custom: {
    50: '#719c60',
    500: '#31731f',
    950: '#000000',
  },
}

SCSS

$custom: #31731f;
$custom-light: #719c60;
$custom-dark: #000000;

JSON

{
  "hex": "#31731f",
  "rgb": {
    "r": 49,
    "g": 115,
    "b": 31
  },
  "hsl": {
    "h": 107.143,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.49426,
    "c": 0.13513,
    "h": 139.7
  },
  "luminance": 0.13013
}

Semantic roles & 50–950 ramp

primary

#31731F

secondary

#9247A7

accent

#47E1C0

background

#F7F9F5

surface

#EDF2EA

border

#C8CCC6

text

#080E05

muted

#7B7E79

Preview Lab

Preview with #31731F

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

Preview Lab → · Contrast checker → · Palette generator →