#31B542#31B542

#31B542 is a light, vivid green. Relative luminance 0.341; OKLCH L 67.9% C 0.192 H 144.9°. Best body text is #000000 at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#31B542
RGB	rgb(49, 181, 66)
HSL	hsl(128, 57%, 45%)
HSV	hsv(128, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 63.5%, 29%)
CIE-LAB	lab(65.04, -58.11, 47.30)
CIE-LCH	lch(65.04, 74.92, 140.86°)
OKLab	oklab(67.93% -0.157 0.1103)
OKLCH	oklch(67.93% 0.192 144.9)
XYZ	xyz(18.7726, 34.0919, 10.7443)
Luminance	0.3409 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B542 #B531A4

analogous

#62B531 #31B542 #31B584

triadic

#31B542 #4231B5 #B54231

tetradic

#31B542 #3162B5 #B531A4 #B58431

square

#31B542 #3162B5 #B531A4 #B58431

split-complementary

#31B542 #8431B5 #B53162

monochromatic

#17551F #248530 #31B542 #53D063 #83DD8F

Accessibility & contrast

On white

2.69

#31B542 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.82

#31B542 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B542

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B542	#FFFFFF	#000000	##000000
##31B542	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)

#B8A434

Deuteranopia (green-blind)

#A99A4C

Tritanopia (blue-blind)

#00B09D

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b542;
/* rgb */ color: rgb(49, 181, 66);
/* oklch */ color: oklch(67.9% 0.192 144.9);

Tailwind

colors: {
  custom: {
    50: '#7dcc7b',
    500: '#31b542',
    950: '#000000',
  },
}

SCSS

$custom: #31b542;
$custom-light: #7dcc7b;
$custom-dark: #000000;

JSON

{
  "hex": "#31b542",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 66
  },
  "hsl": {
    "h": 127.727,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.67934,
    "c": 0.19187,
    "h": 144.9
  },
  "luminance": 0.34094
}

Semantic roles & 50–950 ramp

primary

#31B542

secondary

#C77BBD

accent

#47CDE1

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B542

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

Preview Lab → · Contrast checker → · Palette generator →