#31B152#31B152

#31B152 is a light, vivid green. Relative luminance 0.327; OKLCH L 67.1% C 0.174 H 147.8°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#31B152
RGB	rgb(49, 177, 82)
HSL	hsl(135, 57%, 44%)
HSV	hsv(135, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 53.7%, 30.6%)
CIE-LAB	lab(63.92, -54.67, 38.52)
CIE-LCH	lch(63.92, 66.87, 144.83°)
OKLab	oklab(67.07% -0.1472 0.0925)
OKLCH	oklch(67.07% 0.174 147.8)
XYZ	xyz(18.5103, 32.7044, 13.3180)
Luminance	0.3271 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B152 #B13190

analogous

#50B131 #31B152 #31B192

triadic

#31B152 #5231B1 #B15231

tetradic

#31B152 #3150B1 #B13190 #B19231

square

#31B152 #3150B1 #B13190 #B19231

split-complementary

#31B152 #9231B1 #B13150

monochromatic

#165126 #24813C #31B152 #51CF71 #80DC98

Accessibility & contrast

On white

2.78

#31B152 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.54

#31B152 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B152

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B152	#FFFFFF	#000000	##000000
##31B152	1.00	2.78	7.54	7.54
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.54	21.00	1.00	1.00
##000000	7.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A149

Deuteranopia (green-blind)

#A49759

Tritanopia (blue-blind)

#00AD9B

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #31b152;
/* rgb */ color: rgb(49, 177, 82);
/* oklch */ color: oklch(67.1% 0.174 147.8);

Tailwind

colors: {
  custom: {
    50: '#7bc985',
    500: '#31b152',
    950: '#000000',
  },
}

SCSS

$custom: #31b152;
$custom-light: #7bc985;
$custom-dark: #000000;

JSON

{
  "hex": "#31b152",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 82
  },
  "hsl": {
    "h": 135.469,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.67067,
    "c": 0.17385,
    "h": 147.8
  },
  "luminance": 0.32706
}

Semantic roles & 50–950 ramp

primary

#31B152

secondary

#C579B1

accent

#48B9E0

background

#F8FCF8

surface

#EFF8EF

border

#CAD1CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B152

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

Preview Lab → · Contrast checker → · Palette generator →