#31B148#31B148

#31B148 is a light, vivid green. Relative luminance 0.326; OKLCH L 66.9% C 0.182 H 146.0°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#31B148
RGB	rgb(49, 177, 72)
HSL	hsl(131, 57%, 44%)
HSV	hsv(131, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 59.3%, 30.6%)
CIE-LAB	lab(63.81, -56.02, 43.17)
CIE-LCH	lch(63.81, 70.73, 142.38°)
OKLab	oklab(66.93% -0.1511 0.102)
OKLCH	oklch(66.93% 0.182 146)
XYZ	xyz(18.1572, 32.5631, 11.4580)
Luminance	0.3256 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B148 #B1319A

analogous

#5AB131 #31B148 #31B188

triadic

#31B148 #4831B1 #B14831

tetradic

#31B148 #315AB1 #B1319A #B18831

square

#31B148 #315AB1 #B1319A #B18831

split-complementary

#31B148 #8831B1 #B1315A

monochromatic

#165121 #248135 #31B148 #51CF67 #80DC91

Accessibility & contrast

On white

2.80

#31B148 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#31B148 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B148

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B148	#FFFFFF	#000000	##000000
##31B148	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A13D

Deuteranopia (green-blind)

#A59751

Tritanopia (blue-blind)

#00AD9A

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #31b148;
/* rgb */ color: rgb(49, 177, 72);
/* oklch */ color: oklch(66.9% 0.182 146.0);

Tailwind

colors: {
  custom: {
    50: '#7cc97e',
    500: '#31b148',
    950: '#000000',
  },
}

SCSS

$custom: #31b148;
$custom-light: #7cc97e;
$custom-dark: #000000;

JSON

{
  "hex": "#31b148",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 72
  },
  "hsl": {
    "h": 130.781,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.66934,
    "c": 0.18232,
    "h": 146
  },
  "luminance": 0.32565
}

Semantic roles & 50–950 ramp

primary

#31B148

secondary

#C579B7

accent

#48C5E0

background

#F8FCF7

surface

#EFF8EE

border

#CAD1C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B148

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

Preview Lab → · Contrast checker → · Palette generator →