#31B843#31B843

#31B843 is a light, vivid green. Relative luminance 0.353; OKLCH L 68.7% C 0.195 H 144.9°. Best body text is #000000 at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#31B843
RGB	rgb(49, 184, 67)
HSL	hsl(128, 58%, 46%)
HSV	hsv(128, 73%, 72%)
CMYK	cmyk(73.4%, 0%, 63.6%, 27.8%)
CIE-LAB	lab(66.01, -59.01, 47.95)
CIE-LCH	lch(66.01, 76.03, 140.90°)
OKLab	oklab(68.75% -0.1594 0.1118)
OKLCH	oklch(68.75% 0.195 144.9)
XYZ	xyz(19.4189, 35.3370, 11.1064)
Luminance	0.3534 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B843 #B831A6

analogous

#62B831 #31B843 #31B886

triadic

#31B843 #4331B8 #B84331

tetradic

#31B843 #3162B8 #B831A6 #B88631

square

#31B843 #3162B8 #B831A6 #B88631

split-complementary

#31B843 #8631B8 #B83162

monochromatic

#175720 #248831 #31B843 #55D265 #85DE91

Accessibility & contrast

On white

2.60

#31B843 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.07

#31B843 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B843

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B843	#FFFFFF	#000000	##000000
##31B843	1.00	2.60	8.07	8.07
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.07	21.00	1.00	1.00
##000000	8.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA735

Deuteranopia (green-blind)

#AC9C4D

Tritanopia (blue-blind)

#00B39F

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #31b843;
/* rgb */ color: rgb(49, 184, 67);
/* oklch */ color: oklch(68.7% 0.195 144.9);

Tailwind

colors: {
  custom: {
    50: '#7ece7c',
    500: '#31b843',
    950: '#000000',
  },
}

SCSS

$custom: #31b843;
$custom-light: #7ece7c;
$custom-dark: #000000;

JSON

{
  "hex": "#31b843",
  "rgb": {
    "r": 49,
    "g": 184,
    "b": 67
  },
  "hsl": {
    "h": 128,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.68745,
    "c": 0.19468,
    "h": 144.9
  },
  "luminance": 0.35339
}

Semantic roles & 50–950 ramp

primary

#31B843

secondary

#C87DBE

accent

#47CDE1

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B140A

muted

#7C827C

Preview Lab

Preview with #31B843

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

Preview Lab → · Contrast checker → · Palette generator →