#31B541#31B541

#31B541 is a light, vivid green. Relative luminance 0.341; OKLCH L 67.9% C 0.193 H 144.8°. Best body text is #000000 at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#31B541
RGB	rgb(49, 181, 65)
HSL	hsl(127, 57%, 45%)
HSV	hsv(127, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 64.1%, 29%)
CIE-LAB	lab(65.03, -58.22, 47.72)
CIE-LCH	lch(65.03, 75.28, 140.66°)
OKLab	oklab(67.92% -0.1573 0.1111)
OKLCH	oklch(67.92% 0.193 144.8)
XYZ	xyz(18.7434, 34.0803, 10.5903)
Luminance	0.3408 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B541 #B531A5

analogous

#63B531 #31B541 #31B583

triadic

#31B541 #4131B5 #B54131

tetradic

#31B541 #3163B5 #B531A5 #B58331

square

#31B541 #3163B5 #B531A5 #B58331

split-complementary

#31B541 #8331B5 #B53163

monochromatic

#17551E #248530 #31B541 #53D062 #83DD8E

Accessibility & contrast

On white

2.69

#31B541 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.82

#31B541 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B541

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B541	#FFFFFF	#000000	##000000
##31B541	1.00	2.69	7.82	7.82
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.82	21.00	1.00	1.00
##000000	7.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A433

Deuteranopia (green-blind)

#A99A4B

Tritanopia (blue-blind)

#00B09D

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b541;
/* rgb */ color: rgb(49, 181, 65);
/* oklch */ color: oklch(67.9% 0.193 144.8);

Tailwind

colors: {
  custom: {
    50: '#7dcc7a',
    500: '#31b541',
    950: '#000000',
  },
}

SCSS

$custom: #31b541;
$custom-light: #7dcc7a;
$custom-dark: #000000;

JSON

{
  "hex": "#31b541",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 65
  },
  "hsl": {
    "h": 127.273,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.67923,
    "c": 0.19261,
    "h": 144.8
  },
  "luminance": 0.34082
}

Semantic roles & 50–950 ramp

primary

#31B541

secondary

#C77BBE

accent

#47CEE1

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B541

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

Preview Lab → · Contrast checker → · Palette generator →