#31B338#31B338

#31B338 is a light, vivid green. Relative luminance 0.332; OKLCH L 67.3% C 0.197 H 143.7°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#31B338
RGB	rgb(49, 179, 56)
HSL	hsl(123, 57%, 45%)
HSV	hsv(123, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 68.7%, 29.8%)
CIE-LAB	lab(64.30, -58.48, 50.72)
CIE-LCH	lch(64.30, 77.41, 139.06°)
OKLab	oklab(67.3% -0.1584 0.1165)
OKLCH	oklch(67.3% 0.197 143.7)
XYZ	xyz(18.0994, 33.1767, 9.1905)
Luminance	0.3318 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B338 #B331AC

analogous

#6BB331 #31B338 #31B379

triadic

#31B338 #3831B3 #B33831

tetradic

#31B338 #316BB3 #B331AC #B37931

square

#31B338 #316BB3 #B331AC #B37931

split-complementary

#31B338 #7931B3 #B3316B

monochromatic

#17531A #248329 #31B338 #52D058 #82DD87

Accessibility & contrast

On white

2.75

#31B338 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#31B338 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B338

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B338	#FFFFFF	#000000	##000000
##31B338	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)

#B7A226

Deuteranopia (green-blind)

#A89844

Tritanopia (blue-blind)

#00AE9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b338;
/* rgb */ color: rgb(49, 179, 56);
/* oklch */ color: oklch(67.3% 0.197 143.7);

Tailwind

colors: {
  custom: {
    50: '#7dcb75',
    500: '#31b338',
    950: '#000000',
  },
}

SCSS

$custom: #31b338;
$custom-light: #7dcb75;
$custom-dark: #000000;

JSON

{
  "hex": "#31b338",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 56
  },
  "hsl": {
    "h": 123.231,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67299,
    "c": 0.19664,
    "h": 143.7
  },
  "luminance": 0.33179
}

Semantic roles & 50–950 ramp

primary

#31B338

secondary

#C67AC2

accent

#48D8E0

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B338

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

Preview Lab → · Contrast checker → · Palette generator →