#31B236#31B236

#31B236 is a light, vivid green. Relative luminance 0.328; OKLCH L 67.0% C 0.197 H 143.5°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#31B236
RGB	rgb(49, 178, 54)
HSL	hsl(122, 57%, 45%)
HSV	hsv(122, 72%, 70%)
CMYK	cmyk(72.5%, 0%, 69.7%, 30.2%)
CIE-LAB	lab(63.96, -58.33, 51.17)
CIE-LCH	lch(63.96, 77.59, 138.75°)
OKLab	oklab(67.01% -0.1581 0.1172)
OKLCH	oklch(67.01% 0.197 143.5)
XYZ	xyz(17.8518, 32.7581, 8.8714)
Luminance	0.3276 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B236 #B231AD

analogous

#6CB231 #31B236 #31B277

triadic

#31B236 #3631B2 #B23631

tetradic

#31B236 #316CB2 #B231AD #B27731

square

#31B236 #316CB2 #B231AD #B27731

split-complementary

#31B236 #7731B2 #B2316C

monochromatic

#175219 #248227 #31B236 #51CF56 #81DC85

Accessibility & contrast

On white

2.78

#31B236 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#31B236 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B236

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B236	#FFFFFF	#000000	##000000
##31B236	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A124

Deuteranopia (green-blind)

#A79742

Tritanopia (blue-blind)

#00AD99

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #31b236;
/* rgb */ color: rgb(49, 178, 54);
/* oklch */ color: oklch(67.0% 0.197 143.5);

Tailwind

colors: {
  custom: {
    50: '#7dca74',
    500: '#31b236',
    950: '#000000',
  },
}

SCSS

$custom: #31b236;
$custom-light: #7dca74;
$custom-dark: #000000;

JSON

{
  "hex": "#31b236",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 54
  },
  "hsl": {
    "h": 122.326,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67013,
    "c": 0.19681,
    "h": 143.5
  },
  "luminance": 0.3276
}

Semantic roles & 50–950 ramp

primary

#31B236

secondary

#C579C2

accent

#48DAE0

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #31B236

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

Preview Lab → · Contrast checker → · Palette generator →