#31B643#31B643

#31B643 is a light, vivid green. Relative luminance 0.345; OKLCH L 68.2% C 0.192 H 145.0°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#31B643
RGB	rgb(49, 182, 67)
HSL	hsl(128, 58%, 45%)
HSV	hsv(128, 73%, 71%)
CMYK	cmyk(73.1%, 0%, 63.2%, 28.6%)
CIE-LAB	lab(65.37, -58.33, 47.23)
CIE-LCH	lch(65.37, 75.05, 141.01°)
OKLab	oklab(68.21% -0.1575 0.1103)
OKLCH	oklch(68.21% 0.192 145)
XYZ	xyz(19.0064, 34.5120, 10.9689)
Luminance	0.3451 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B643 #B631A4

analogous

#62B631 #31B643 #31B685

triadic

#31B643 #4331B6 #B64331

tetradic

#31B643 #3162B6 #B631A4 #B68531

square

#31B643 #3162B6 #B631A4 #B68531

split-complementary

#31B643 #8531B6 #B63162

monochromatic

#17561F #248631 #31B643 #53D164 #84DE90

Accessibility & contrast

On white

2.66

#31B643 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.90

#31B643 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B643

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B643	#FFFFFF	#000000	##000000
##31B643	1.00	2.66	7.90	7.90
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.90	21.00	1.00	1.00
##000000	7.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A536

Deuteranopia (green-blind)

#AA9B4D

Tritanopia (blue-blind)

#00B19E

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b643;
/* rgb */ color: rgb(49, 182, 67);
/* oklch */ color: oklch(68.2% 0.192 145.0);

Tailwind

colors: {
  custom: {
    50: '#7dcd7c',
    500: '#31b643',
    950: '#000000',
  },
}

SCSS

$custom: #31b643;
$custom-light: #7dcd7c;
$custom-dark: #000000;

JSON

{
  "hex": "#31b643",
  "rgb": {
    "r": 49,
    "g": 182,
    "b": 67
  },
  "hsl": {
    "h": 128.12,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.68212,
    "c": 0.19231,
    "h": 145
  },
  "luminance": 0.34514
}

Semantic roles & 50–950 ramp

primary

#31B643

secondary

#C77CBD

accent

#47CCE1

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B140A

muted

#7C827C

Preview Lab

Preview with #31B643

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

Preview Lab → · Contrast checker → · Palette generator →