#31B33B#31B33B

#31B33B is a light, vivid green. Relative luminance 0.332; OKLCH L 67.3% C 0.195 H 144.0°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#31B33B
RGB	rgb(49, 179, 59)
HSL	hsl(125, 57%, 45%)
HSV	hsv(125, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 67%, 29.8%)
CIE-LAB	lab(64.33, -58.18, 49.52)
CIE-LCH	lch(64.33, 76.40, 139.60°)
OKLab	oklab(67.33% -0.1575 0.1143)
OKLCH	oklch(67.33% 0.195 144)
XYZ	xyz(18.1750, 33.2069, 9.5885)
Luminance	0.3321 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B33B #B331A9

analogous

#68B331 #31B33B #31B37C

triadic

#31B33B #3B31B3 #B33B31

tetradic

#31B33B #3168B3 #B331A9 #B37C31

square

#31B33B #3168B3 #B331A9 #B37C31

split-complementary

#31B33B #7C31B3 #B33168

monochromatic

#17531B #24832B #31B33B #52D05B #82DD89

Accessibility & contrast

On white

2.75

#31B33B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#31B33B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B33B

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B33B	#FFFFFF	#000000	##000000
##31B33B	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A22B

Deuteranopia (green-blind)

#A89846

Tritanopia (blue-blind)

#00AE9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b33b;
/* rgb */ color: rgb(49, 179, 59);
/* oklch */ color: oklch(67.3% 0.195 144.0);

Tailwind

colors: {
  custom: {
    50: '#7dcb77',
    500: '#31b33b',
    950: '#000000',
  },
}

SCSS

$custom: #31b33b;
$custom-light: #7dcb77;
$custom-dark: #000000;

JSON

{
  "hex": "#31b33b",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 59
  },
  "hsl": {
    "h": 124.615,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67328,
    "c": 0.19458,
    "h": 144
  },
  "luminance": 0.33209
}

Semantic roles & 50–950 ramp

primary

#31B33B

secondary

#C67AC0

accent

#48D5E0

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B33B

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

Preview Lab → · Contrast checker → · Palette generator →