#31B333#31B333

#31B333 is a light, vivid green. Relative luminance 0.331; OKLCH L 67.3% C 0.200 H 143.1°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#31B333
RGB	rgb(49, 179, 51)
HSL	hsl(121, 57%, 45%)
HSV	hsv(121, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 71.5%, 29.8%)
CIE-LAB	lab(64.27, -58.93, 52.65)
CIE-LCH	lch(64.27, 79.03, 138.22°)
OKLab	oklab(67.26% -0.1599 0.1199)
OKLCH	oklch(67.26% 0.2 143.1)
XYZ	xyz(17.9832, 33.1302, 8.5783)
Luminance	0.3313 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B333 #B331B1

analogous

#70B331 #31B333 #31B374

triadic

#31B333 #3331B3 #B33331

tetradic

#31B333 #3170B3 #B331B1 #B37431

square

#31B333 #3170B3 #B331B1 #B37431

split-complementary

#31B333 #7431B3 #B33170

monochromatic

#175318 #248325 #31B333 #52D054 #82DD83

Accessibility & contrast

On white

2.75

#31B333 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#31B333 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B333

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B333	#FFFFFF	#000000	##000000
##31B333	1.00	2.75	7.63	7.63
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.63	21.00	1.00	1.00
##000000	7.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A21E

Deuteranopia (green-blind)

#A89840

Tritanopia (blue-blind)

#00AE9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b333;
/* rgb */ color: rgb(49, 179, 51);
/* oklch */ color: oklch(67.3% 0.200 143.1);

Tailwind

colors: {
  custom: {
    50: '#7dcb72',
    500: '#31b333',
    950: '#000000',
  },
}

SCSS

$custom: #31b333;
$custom-light: #7dcb72;
$custom-dark: #000000;

JSON

{
  "hex": "#31b333",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 51
  },
  "hsl": {
    "h": 120.923,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67256,
    "c": 0.19986,
    "h": 143.1
  },
  "luminance": 0.33132
}

Semantic roles & 50–950 ramp

primary

#31B333

secondary

#C67AC5

accent

#48DEE0

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #31B333

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

Preview Lab → · Contrast checker → · Palette generator →