#31B544#31B544

#31B544 is a light, vivid green. Relative luminance 0.341; OKLCH L 68.0% C 0.190 H 145.2°. Best body text is #000000 at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#31B544
RGB	rgb(49, 181, 68)
HSL	hsl(129, 57%, 45%)
HSV	hsv(129, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 62.4%, 29%)
CIE-LAB	lab(65.05, -57.88, 46.43)
CIE-LCH	lch(65.05, 74.20, 141.26°)
OKLab	oklab(67.96% -0.1563 0.1087)
OKLCH	oklch(67.96% 0.19 145.2)
XYZ	xyz(18.8326, 34.1159, 11.0602)
Luminance	0.3412 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B544 #B531A2

analogous

#60B531 #31B544 #31B586

triadic

#31B544 #4431B5 #B54431

tetradic

#31B544 #3160B5 #B531A2 #B58631

square

#31B544 #3160B5 #B531A2 #B58631

split-complementary

#31B544 #8631B5 #B53160

monochromatic

#175520 #248532 #31B544 #53D065 #83DD90

Accessibility & contrast

On white

2.68

#31B544 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.82

#31B544 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B544

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B544	#FFFFFF	#000000	##000000
##31B544	1.00	2.68	7.82	7.82
#FFFFFF	2.68	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)

#B8A437

Deuteranopia (green-blind)

#A99A4E

Tritanopia (blue-blind)

#00B09D

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b544;
/* rgb */ color: rgb(49, 181, 68);
/* oklch */ color: oklch(68.0% 0.190 145.2);

Tailwind

colors: {
  custom: {
    50: '#7dcc7c',
    500: '#31b544',
    950: '#000000',
  },
}

SCSS

$custom: #31b544;
$custom-light: #7dcc7c;
$custom-dark: #000000;

JSON

{
  "hex": "#31b544",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 68
  },
  "hsl": {
    "h": 128.636,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.67956,
    "c": 0.19034,
    "h": 145.2
  },
  "luminance": 0.34118
}

Semantic roles & 50–950 ramp

primary

#31B544

secondary

#C77BBC

accent

#47CBE1

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B544

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

Preview Lab → · Contrast checker → · Palette generator →