#31B344#31B344

#31B344 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.4% C 0.188 H 145.3°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#31B344
RGB	rgb(49, 179, 68)
HSL	hsl(129, 57%, 45%)
HSV	hsv(129, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 62%, 29.8%)
CIE-LAB	lab(64.41, -57.20, 45.70)
CIE-LCH	lch(64.41, 73.21, 141.38°)
OKLab	oklab(67.42% -0.1544 0.1071)
OKLCH	oklch(67.42% 0.188 145.3)
XYZ	xyz(18.4288, 33.3084, 10.9257)
Luminance	0.3331 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B344 #B331A0

analogous

#5FB331 #31B344 #31B385

triadic

#31B344 #4431B3 #B34431

tetradic

#31B344 #315FB3 #B331A0 #B38531

square

#31B344 #315FB3 #B331A0 #B38531

split-complementary

#31B344 #8531B3 #B3315F

monochromatic

#17531F #248332 #31B344 #52D064 #82DD8F

Accessibility & contrast

On white

2.74

#31B344 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#31B344 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B344

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B344	#FFFFFF	#000000	##000000
##31B344	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A238

Deuteranopia (green-blind)

#A7984D

Tritanopia (blue-blind)

#00AE9B

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b344;
/* rgb */ color: rgb(49, 179, 68);
/* oklch */ color: oklch(67.4% 0.188 145.3);

Tailwind

colors: {
  custom: {
    50: '#7ccb7c',
    500: '#31b344',
    950: '#000000',
  },
}

SCSS

$custom: #31b344;
$custom-light: #7ccb7c;
$custom-dark: #000000;

JSON

{
  "hex": "#31b344",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 68
  },
  "hsl": {
    "h": 128.769,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67422,
    "c": 0.18794,
    "h": 145.3
  },
  "luminance": 0.33311
}

Semantic roles & 50–950 ramp

primary

#31B344

secondary

#C67ABB

accent

#48CAE0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B344

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

Preview Lab → · Contrast checker → · Palette generator →