#31B356#31B356

#31B356 is a light, vivid green. Relative luminance 0.336; OKLCH L 67.7% C 0.173 H 148.5°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#31B356
RGB	rgb(49, 179, 86)
HSL	hsl(137, 57%, 45%)
HSV	hsv(137, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 52%, 29.8%)
CIE-LAB	lab(64.61, -54.79, 37.39)
CIE-LCH	lch(64.61, 66.33, 145.69°)
OKLab	oklab(67.66% -0.1474 0.0903)
OKLCH	oklch(67.66% 0.173 148.5)
XYZ	xyz(19.0650, 33.5629, 14.2758)
Luminance	0.3357 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B356 #B3318E

analogous

#4DB331 #31B356 #31B397

triadic

#31B356 #5631B3 #B35631

tetradic

#31B356 #314DB3 #B3318E #B39731

square

#31B356 #314DB3 #B3318E #B39731

split-complementary

#31B356 #9731B3 #B3314D

monochromatic

#175328 #24833F #31B356 #52D075 #82DD9C

Accessibility & contrast

On white

2.72

#31B356 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.71

#31B356 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B356

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B356	#FFFFFF	#000000	##000000
##31B356	1.00	2.72	7.71	7.71
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.71	21.00	1.00	1.00
##000000	7.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A34E

Deuteranopia (green-blind)

#A5985D

Tritanopia (blue-blind)

#00AF9E

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b356;
/* rgb */ color: rgb(49, 179, 86);
/* oklch */ color: oklch(67.7% 0.173 148.5);

Tailwind

colors: {
  custom: {
    50: '#7ccb87',
    500: '#31b356',
    950: '#000000',
  },
}

SCSS

$custom: #31b356;
$custom-light: #7ccb87;
$custom-dark: #000000;

JSON

{
  "hex": "#31b356",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 86
  },
  "hsl": {
    "h": 137.077,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67657,
    "c": 0.17287,
    "h": 148.5
  },
  "luminance": 0.33565
}

Semantic roles & 50–950 ramp

primary

#31B356

secondary

#C67AB0

accent

#48B5E0

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B356

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

Preview Lab → · Contrast checker → · Palette generator →