#31771B#31771B

#31771B is a mid, vivid green. Relative luminance 0.139; OKLCH L 50.5% C 0.143 H 139.4°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#31771B
RGB	rgb(49, 119, 27)
HSL	hsl(106, 63%, 29%)
HSV	hsv(106, 77%, 47%)
CMYK	cmyk(58.8%, 0%, 77.3%, 53.3%)
CIE-LAB	lab(44.13, -39.48, 41.31)
CIE-LCH	lch(44.13, 57.14, 133.71°)
OKLab	oklab(50.53% -0.1086 0.093)
OKLCH	oklch(50.53% 0.143 139.4)
XYZ	xyz(8.0609, 13.9251, 3.2997)
Luminance	0.1393 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31771B #611B77

analogous

#5F771B #31771B #1B7733

triadic

#31771B #1B3177 #771B31

tetradic

#31771B #1B5F77 #611B77 #77331B

square

#31771B #1B5F77 #611B77 #77331B

split-complementary

#31771B #331B77 #771B5F

monochromatic

#0A1906 #1C4510 #31771B #46A926 #5ED23A

Accessibility & contrast

On white

5.55

#31771B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#31771B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31771B

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31771B	#FFFFFF	#000000	##FFFFFF
##31771B	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B6C08

Deuteranopia (green-blind)

#726625

Tritanopia (blue-blind)

#297365

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #31771b;
/* rgb */ color: rgb(49, 119, 27);
/* oklch */ color: oklch(50.5% 0.143 139.4);

Tailwind

colors: {
  custom: {
    50: '#729f5e',
    500: '#31771b',
    950: '#000000',
  },
}

SCSS

$custom: #31771b;
$custom-light: #729f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#31771b",
  "rgb": {
    "r": 49,
    "g": 119,
    "b": 27
  },
  "hsl": {
    "h": 105.652,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.50525,
    "c": 0.14296,
    "h": 139.4
  },
  "luminance": 0.13926
}

Semantic roles & 50–950 ramp

primary

#31771B

secondary

#9242AB

accent

#42E6BF

background

#F7F9F5

surface

#EDF2E9

border

#C8CCC5

text

#080E05

muted

#7B7E79

Preview Lab

Preview with #31771B

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

Preview Lab → · Contrast checker → · Palette generator →