#31B43E#31B43E

#31B43E is a light, vivid green. Relative luminance 0.336; OKLCH L 67.6% C 0.194 H 144.4°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#31B43E
RGB	rgb(49, 180, 62)
HSL	hsl(126, 57%, 45%)
HSV	hsv(126, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 65.6%, 29.4%)
CIE-LAB	lab(64.68, -58.21, 48.63)
CIE-LCH	lch(64.68, 75.85, 140.12°)
OKLab	oklab(67.63% -0.1574 0.1127)
OKLCH	oklch(67.63% 0.194 144.4)
XYZ	xyz(18.4562, 33.6412, 10.0772)
Luminance	0.3364 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B43E #B431A7

analogous

#66B431 #31B43E #31B47F

triadic

#31B43E #3E31B4 #B43E31

tetradic

#31B43E #3166B4 #B431A7 #B47F31

square

#31B43E #3166B4 #B431A7 #B47F31

split-complementary

#31B43E #7F31B4 #B43166

monochromatic

#17541D #24842D #31B43E #52D05F #82DD8B

Accessibility & contrast

On white

2.72

#31B43E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#31B43E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B43E

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B43E	#FFFFFF	#000000	##000000
##31B43E	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A32F

Deuteranopia (green-blind)

#A89949

Tritanopia (blue-blind)

#00AF9C

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b43e;
/* rgb */ color: rgb(49, 180, 62);
/* oklch */ color: oklch(67.6% 0.194 144.4);

Tailwind

colors: {
  custom: {
    50: '#7dcc78',
    500: '#31b43e',
    950: '#000000',
  },
}

SCSS

$custom: #31b43e;
$custom-light: #7dcc78;
$custom-dark: #000000;

JSON

{
  "hex": "#31b43e",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 62
  },
  "hsl": {
    "h": 125.954,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67625,
    "c": 0.19363,
    "h": 144.4
  },
  "luminance": 0.33643
}

Semantic roles & 50–950 ramp

primary

#31B43E

secondary

#C67BBF

accent

#47D1E0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B43E

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

Preview Lab → · Contrast checker → · Palette generator →