#31B43D#31B43D

#31B43D is a light, vivid green. Relative luminance 0.336; OKLCH L 67.6% C 0.194 H 144.3°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#31B43D
RGB	rgb(49, 180, 61)
HSL	hsl(125, 57%, 45%)
HSV	hsv(125, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 66.1%, 29.4%)
CIE-LAB	lab(64.67, -58.31, 49.05)
CIE-LCH	lch(64.67, 76.20, 139.93°)
OKLab	oklab(67.62% -0.1577 0.1135)
OKLCH	oklch(67.62% 0.194 144.3)
XYZ	xyz(18.4290, 33.6303, 9.9340)
Luminance	0.3363 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B43D #B431A8

analogous

#67B431 #31B43D #31B47E

triadic

#31B43D #3D31B4 #B43D31

tetradic

#31B43D #3167B4 #B431A8 #B47E31

square

#31B43D #3167B4 #B431A8 #B47E31

split-complementary

#31B43D #7E31B4 #B43167

monochromatic

#17541C #24842D #31B43D #52D05E #82DD8B

Accessibility & contrast

On white

2.72

#31B43D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#31B43D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B43D

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B43D	#FFFFFF	#000000	##000000
##31B43D	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)

#B7A32E

Deuteranopia (green-blind)

#A89948

Tritanopia (blue-blind)

#00AF9B

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b43d;
/* rgb */ color: rgb(49, 180, 61);
/* oklch */ color: oklch(67.6% 0.194 144.3);

Tailwind

colors: {
  custom: {
    50: '#7dcc78',
    500: '#31b43d',
    950: '#000000',
  },
}

SCSS

$custom: #31b43d;
$custom-light: #7dcc78;
$custom-dark: #000000;

JSON

{
  "hex": "#31b43d",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 61
  },
  "hsl": {
    "h": 125.496,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67615,
    "c": 0.19434,
    "h": 144.3
  },
  "luminance": 0.33632
}

Semantic roles & 50–950 ramp

primary

#31B43D

secondary

#C67BBF

accent

#47D2E0

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B43D

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

Preview Lab → · Contrast checker → · Palette generator →