#31B53D#31B53D

#31B53D is a light, vivid green. Relative luminance 0.340; OKLCH L 67.9% C 0.196 H 144.2°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#31B53D
RGB	rgb(49, 181, 61)
HSL	hsl(125, 57%, 45%)
HSV	hsv(125, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 66.3%, 29%)
CIE-LAB	lab(64.99, -58.65, 49.40)
CIE-LCH	lch(64.99, 76.68, 139.89°)
OKLab	oklab(67.88% -0.1587 0.1143)
OKLCH	oklch(67.88% 0.196 144.2)
XYZ	xyz(18.6316, 34.0355, 10.0016)
Luminance	0.3404 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B53D #B531A9

analogous

#67B531 #31B53D #31B57F

triadic

#31B53D #3D31B5 #B53D31

tetradic

#31B53D #3167B5 #B531A9 #B57F31

square

#31B53D #3167B5 #B531A9 #B57F31

split-complementary

#31B53D #7F31B5 #B53167

monochromatic

#17551D #24852D #31B53D #53D05E #83DD8B

Accessibility & contrast

On white

2.69

#31B53D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#31B53D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B53D

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B53D	#FFFFFF	#000000	##000000
##31B53D	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A42D

Deuteranopia (green-blind)

#A99A48

Tritanopia (blue-blind)

#00B09C

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b53d;
/* rgb */ color: rgb(49, 181, 61);
/* oklch */ color: oklch(67.9% 0.196 144.2);

Tailwind

colors: {
  custom: {
    50: '#7dcc78',
    500: '#31b53d',
    950: '#000000',
  },
}

SCSS

$custom: #31b53d;
$custom-light: #7dcc78;
$custom-dark: #000000;

JSON

{
  "hex": "#31b53d",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 61
  },
  "hsl": {
    "h": 125.455,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.67883,
    "c": 0.19551,
    "h": 144.2
  },
  "luminance": 0.34038
}

Semantic roles & 50–950 ramp

primary

#31B53D

secondary

#C77BC0

accent

#47D3E1

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1409

muted

#7C827B

Preview Lab

Preview with #31B53D

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

Preview Lab → · Contrast checker → · Palette generator →