#31B33F#31B33F

#31B33F is a light, vivid green. Relative luminance 0.333; OKLCH L 67.4% C 0.192 H 144.5°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#31B33F
RGB	rgb(49, 179, 63)
HSL	hsl(126, 57%, 45%)
HSV	hsv(126, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 64.8%, 29.8%)
CIE-LAB	lab(64.36, -57.76, 47.85)
CIE-LCH	lch(64.36, 75.01, 140.36°)
OKLab	oklab(67.37% -0.1562 0.1112)
OKLCH	oklch(67.37% 0.192 144.5)
XYZ	xyz(18.2827, 33.2500, 10.1560)
Luminance	0.3325 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B33F #B331A5

analogous

#64B331 #31B33F #31B380

triadic

#31B33F #3F31B3 #B33F31

tetradic

#31B33F #3164B3 #B331A5 #B38031

square

#31B33F #3164B3 #B331A5 #B38031

split-complementary

#31B33F #8031B3 #B33164

monochromatic

#17531D #24832E #31B33F #52D05F #82DD8C

Accessibility & contrast

On white

2.74

#31B33F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#31B33F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B33F

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B33F	#FFFFFF	#000000	##000000
##31B33F	1.00	2.74	7.65	7.65
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A231

Deuteranopia (green-blind)

#A79849

Tritanopia (blue-blind)

#00AE9B

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b33f;
/* rgb */ color: rgb(49, 179, 63);
/* oklch */ color: oklch(67.4% 0.192 144.5);

Tailwind

colors: {
  custom: {
    50: '#7dcb79',
    500: '#31b33f',
    950: '#000000',
  },
}

SCSS

$custom: #31b33f;
$custom-light: #7dcb79;
$custom-dark: #000000;

JSON

{
  "hex": "#31b33f",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 63
  },
  "hsl": {
    "h": 126.462,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67368,
    "c": 0.19171,
    "h": 144.5
  },
  "luminance": 0.33252
}

Semantic roles & 50–950 ramp

primary

#31B33F

secondary

#C67ABE

accent

#48D0E0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B33F

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

Preview Lab → · Contrast checker → · Palette generator →