#31B837#31B837

#31B837 is a light, highly saturated green. Relative luminance 0.352; OKLCH L 68.6% C 0.203 H 143.5°. Best body text is #000000 at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#31B837
RGB	rgb(49, 184, 55)
HSL	hsl(123, 58%, 46%)
HSV	hsv(123, 73%, 72%)
CMYK	cmyk(73.4%, 0%, 70.1%, 27.8%)
CIE-LAB	lab(65.91, -60.22, 52.82)
CIE-LCH	lch(65.91, 80.10, 138.74°)
OKLab	oklab(68.63% -0.1632 0.1208)
OKLCH	oklch(68.63% 0.203 143.5)
XYZ	xyz(19.0955, 35.2076, 9.4031)
Luminance	0.3521 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B837 #B831B2

analogous

#6EB831 #31B837 #31B87B

triadic

#31B837 #3731B8 #B83731

tetradic

#31B837 #316EB8 #B831B2 #B87B31

square

#31B837 #316EB8 #B831B2 #B87B31

split-complementary

#31B837 #7B31B8 #B8316E

monochromatic

#17571A #248829 #31B837 #55D25A #85DE89

Accessibility & contrast

On white

2.61

#31B837 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.04

#31B837 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B837

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B837	#FFFFFF	#000000	##000000
##31B837	1.00	2.61	8.04	8.04
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.04	21.00	1.00	1.00
##000000	8.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA723

Deuteranopia (green-blind)

#AC9C44

Tritanopia (blue-blind)

#00B39E

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #31b837;
/* rgb */ color: rgb(49, 184, 55);
/* oklch */ color: oklch(68.6% 0.203 143.5);

Tailwind

colors: {
  custom: {
    50: '#7ecf75',
    500: '#31b837',
    950: '#000000',
  },
}

SCSS

$custom: #31b837;
$custom-light: #7ecf75;
$custom-dark: #000000;

JSON

{
  "hex": "#31b837",
  "rgb": {
    "r": 49,
    "g": 184,
    "b": 55
  },
  "hsl": {
    "h": 122.667,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.6863,
    "c": 0.20302,
    "h": 143.5
  },
  "luminance": 0.3521
}

Semantic roles & 50–950 ramp

primary

#31B837

secondary

#C87DC5

accent

#47DAE1

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0B1409

muted

#7C827B

Preview Lab

Preview with #31B837

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

Preview Lab → · Contrast checker → · Palette generator →