#31B131#31B131

#31B131 is a light, vivid green. Relative luminance 0.323; OKLCH L 66.7% C 0.199 H 142.9°. Best body text is #000000 at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#31B131
RGB	rgb(49, 177, 49)
HSL	hsl(120, 57%, 44%)
HSV	hsv(120, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 72.3%, 30.6%)
CIE-LAB	lab(63.60, -58.44, 52.73)
CIE-LCH	lch(63.60, 78.71, 137.94°)
OKLab	oklab(66.7% -0.1587 0.1198)
OKLCH	oklch(66.7% 0.199 142.9)
XYZ	xyz(17.5421, 32.3170, 8.2185)
Luminance	0.3232 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B131 #B131B1

analogous

#71B131 #31B131 #31B171

triadic

#31B131 #3131B1 #B13131

tetradic

#31B131 #3171B1 #B131B1 #B17131

square

#31B131 #3171B1 #B131B1 #B17131

split-complementary

#31B131 #7131B1 #B13171

monochromatic

#165116 #248124 #31B131 #51CF51 #80DC80

Accessibility & contrast

On white

2.81

#31B131 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.46

#31B131 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B131

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B131	#FFFFFF	#000000	##000000
##31B131	1.00	2.81	7.46	7.46
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.46	21.00	1.00	1.00
##000000	7.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A01B

Deuteranopia (green-blind)

#A6963E

Tritanopia (blue-blind)

#00AC98

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b131;
/* rgb */ color: rgb(49, 177, 49);
/* oklch */ color: oklch(66.7% 0.199 142.9);

Tailwind

colors: {
  custom: {
    50: '#7dc971',
    500: '#31b131',
    950: '#000000',
  },
}

SCSS

$custom: #31b131;
$custom-light: #7dc971;
$custom-dark: #000000;

JSON

{
  "hex": "#31b131",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 49
  },
  "hsl": {
    "h": 120,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.66702,
    "c": 0.19884,
    "h": 142.9
  },
  "luminance": 0.32319
}

Semantic roles & 50–950 ramp

primary

#31B131

secondary

#C579C5

accent

#48E0E0

background

#F8FCF7

surface

#EFF8ED

border

#CAD1C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #31B131

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

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