#31B772#31B772

#31B772 is a light, vivid green. Relative luminance 0.357; OKLCH L 69.2% C 0.152 H 155.7°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#31B772
RGB	rgb(49, 183, 114)
HSL	hsl(149, 58%, 45%)
HSV	hsv(149, 73%, 72%)
CMYK	cmyk(73.2%, 0%, 37.7%, 28.2%)
CIE-LAB	lab(66.31, -51.41, 25.11)
CIE-LCH	lch(66.31, 57.21, 153.97°)
OKLab	oklab(69.2% -0.1389 0.0628)
OKLCH	oklch(69.2% 0.152 155.7)
XYZ	xyz(21.2354, 35.7324, 21.6942)
Luminance	0.3574 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B772 #B73176

analogous

#33B731 #31B772 #31B7B5

triadic

#31B772 #7231B7 #B77231

tetradic

#31B772 #3133B7 #B73176 #B7B531

square

#31B772 #3133B7 #B73176 #B7B531

split-complementary

#31B772 #B531B7 #B73133

monochromatic

#175636 #248754 #31B772 #54D191 #84DEB0

Accessibility & contrast

On white

2.58

#31B772 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#31B772 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B772

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B772	#FFFFFF	#000000	##000000
##31B772	1.00	2.58	8.15	8.15
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.15	21.00	1.00	1.00
##000000	8.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A86D

Deuteranopia (green-blind)

#A69D77

Tritanopia (blue-blind)

#00B5A5

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #31b772;
/* rgb */ color: rgb(49, 183, 114);
/* oklch */ color: oklch(69.2% 0.152 155.7);

Tailwind

colors: {
  custom: {
    50: '#7cce9b',
    500: '#31b772',
    950: '#000000',
  },
}

SCSS

$custom: #31b772;
$custom-light: #7cce9b;
$custom-dark: #000000;

JSON

{
  "hex": "#31b772",
  "rgb": {
    "r": 49,
    "g": 183,
    "b": 114
  },
  "hsl": {
    "h": 149.104,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.692,
    "c": 0.15244,
    "h": 155.7
  },
  "luminance": 0.35735
}

Semantic roles & 50–950 ramp

primary

#31B772

secondary

#C87CA3

accent

#4796E1

background

#F8FCF9

surface

#EFF9F2

border

#CAD2CC

text

#0B140E

muted

#7C827E

Preview Lab

Preview with #31B772

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

Preview Lab → · Contrast checker → · Palette generator →