#31B52F#31B52F

#31B52F is a light, highly saturated green. Relative luminance 0.339; OKLCH L 67.8% C 0.204 H 142.7°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#31B52F
RGB	rgb(49, 181, 47)
HSL	hsl(119, 59%, 45%)
HSV	hsv(119, 74%, 71%)
CMYK	cmyk(72.9%, 0%, 74%, 29%)
CIE-LAB	lab(64.89, -59.92, 54.77)
CIE-LCH	lch(64.89, 81.17, 137.57°)
OKLab	oklab(67.76% -0.1627 0.1238)
OKLCH	oklch(67.76% 0.205 142.7)
XYZ	xyz(18.3025, 33.9039, 8.2683)
Luminance	0.3391 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B52F #B32FB5

analogous

#74B52F #31B52F #2FB570

triadic

#31B52F #2F31B5 #B52F31

tetradic

#31B52F #2F74B5 #B32FB5 #B5702F

square

#31B52F #2F74B5 #B32FB5 #B5702F

split-complementary

#31B52F #702FB5 #B52F74

monochromatic

#175416 #248422 #31B52F #52D150 #82DE80

Accessibility & contrast

On white

2.70

#31B52F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.78

#31B52F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B52F

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B52F	#FFFFFF	#000000	##000000
##31B52F	1.00	2.70	7.78	7.78
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.78	21.00	1.00	1.00
##000000	7.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A415

Deuteranopia (green-blind)

#AA993D

Tritanopia (blue-blind)

#00B09B

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b52f;
/* rgb */ color: rgb(49, 181, 47);
/* oklch */ color: oklch(67.8% 0.204 142.7);

Tailwind

colors: {
  custom: {
    50: '#7ecc70',
    500: '#31b52f',
    950: '#000000',
  },
}

SCSS

$custom: #31b52f;
$custom-light: #7ecc70;
$custom-dark: #000000;

JSON

{
  "hex": "#31b52f",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 47
  },
  "hsl": {
    "h": 119.104,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67762,
    "c": 0.2045,
    "h": 142.7
  },
  "luminance": 0.33906
}

Semantic roles & 50–950 ramp

primary

#31B52F

secondary

#C679C7

accent

#46E2E0

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0B1408

muted

#7C827B

Preview Lab

Preview with #31B52F

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

Preview Lab → · Contrast checker → · Palette generator →