#31B572#31B572

#31B572 is a light, vivid green. Relative luminance 0.349; OKLCH L 68.7% C 0.150 H 156.0°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#31B572
RGB	rgb(49, 181, 114)
HSL	hsl(150, 57%, 45%)
HSV	hsv(150, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 37%, 29%)
CIE-LAB	lab(65.68, -50.64, 24.26)
CIE-LCH	lch(65.68, 56.15, 154.40°)
OKLab	oklab(68.68% -0.1369 0.0608)
OKLCH	oklch(68.68% 0.15 156)
XYZ	xyz(20.8258, 34.9132, 21.5577)
Luminance	0.3492 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B572 #B53174

analogous

#32B531 #31B572 #31B5B4

triadic

#31B572 #7231B5 #B57231

tetradic

#31B572 #3132B5 #B53174 #B5B431

square

#31B572 #3132B5 #B53174 #B5B431

split-complementary

#31B572 #B431B5 #B53132

monochromatic

#175535 #248554 #31B572 #53D091 #83DDB0

Accessibility & contrast

On white

2.63

#31B572 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#31B572 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B572

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B572	#FFFFFF	#000000	##000000
##31B572	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A66E

Deuteranopia (green-blind)

#A49B76

Tritanopia (blue-blind)

#00B3A4

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #31b572;
/* rgb */ color: rgb(49, 181, 114);
/* oklch */ color: oklch(68.7% 0.150 156.0);

Tailwind

colors: {
  custom: {
    50: '#7ccc9b',
    500: '#31b572',
    950: '#000000',
  },
}

SCSS

$custom: #31b572;
$custom-light: #7ccc9b;
$custom-dark: #000000;

JSON

{
  "hex": "#31b572",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 114
  },
  "hsl": {
    "h": 149.545,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.68678,
    "c": 0.14979,
    "h": 156
  },
  "luminance": 0.34916
}

Semantic roles & 50–950 ramp

primary

#31B572

secondary

#C77BA1

accent

#4795E1

background

#F8FCF9

surface

#EFF9F2

border

#CAD2CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #31B572

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

Preview Lab → · Contrast checker → · Palette generator →