#31B271#31B271

#31B271 is a light, vivid green. Relative luminance 0.337; OKLCH L 67.9% C 0.147 H 156.3°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#31B271
RGB	rgb(49, 178, 113)
HSL	hsl(150, 57%, 45%)
HSV	hsv(150, 72%, 70%)
CMYK	cmyk(72.5%, 0%, 36.5%, 30.2%)
CIE-LAB	lab(64.71, -49.68, 23.50)
CIE-LCH	lch(64.71, 54.95, 154.69°)
OKLab	oklab(67.87% -0.1344 0.059)
OKLCH	oklch(67.87% 0.147 156.3)
XYZ	xyz(20.1657, 33.6837, 21.0584)
Luminance	0.3369 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B271 #B23172

analogous

#32B231 #31B271 #31B2B1

triadic

#31B271 #7131B2 #B27131

tetradic

#31B271 #3132B2 #B23172 #B2B131

square

#31B271 #3132B2 #B23172 #B2B131

split-complementary

#31B271 #B131B2 #B23132

monochromatic

#175234 #248253 #31B271 #51CF90 #81DCAE

Accessibility & contrast

On white

2.71

#31B271 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#31B271 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B271

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B271	#FFFFFF	#000000	##000000
##31B271	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A46D

Deuteranopia (green-blind)

#A19875

Tritanopia (blue-blind)

#00B0A1

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b271;
/* rgb */ color: rgb(49, 178, 113);
/* oklch */ color: oklch(67.9% 0.147 156.3);

Tailwind

colors: {
  custom: {
    50: '#7bca9a',
    500: '#31b271',
    950: '#000000',
  },
}

SCSS

$custom: #31b271;
$custom-light: #7bca9a;
$custom-dark: #000000;

JSON

{
  "hex": "#31b271",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 113
  },
  "hsl": {
    "h": 149.767,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67873,
    "c": 0.14674,
    "h": 156.3
  },
  "luminance": 0.33686
}

Semantic roles & 50–950 ramp

primary

#31B271

secondary

#C579A0

accent

#4894E0

background

#F8FCF9

surface

#EFF8F2

border

#CAD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #31B271

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

Preview Lab → · Contrast checker → · Palette generator →