#40A731#40A731

#40A731 is a light, vivid green. Relative luminance 0.289; OKLCH L 64.4% C 0.182 H 141.3°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#40A731
RGB	rgb(64, 167, 49)
HSL	hsl(112, 55%, 42%)
HSV	hsv(112, 71%, 65%)
CMYK	cmyk(61.7%, 0%, 70.7%, 34.5%)
CIE-LAB	lab(60.74, -51.91, 49.87)
CIE-LCH	lch(60.74, 71.98, 136.15°)
OKLab	oklab(64.43% -0.1418 0.1137)
OKLCH	oklch(64.43% 0.182 141.3)
XYZ	xyz(16.4866, 28.9476, 7.6238)
Luminance	0.2895 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A731 #9831A7

analogous

#7BA731 #40A731 #31A75D

triadic

#40A731 #3140A7 #A73140

tetradic

#40A731 #317BA7 #9831A7 #A75D31

square

#40A731 #317BA7 #9831A7 #A75D31

split-complementary

#40A731 #5D31A7 #A7317B

monochromatic

#1C4815 #2E7823 #40A731 #5BCA4B #86D87A

Accessibility & contrast

On white

3.09

#40A731 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#40A731 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A731

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A731	#FFFFFF	#000000	##000000
##40A731	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB981F

Deuteranopia (green-blind)

#9F8F3C

Tritanopia (blue-blind)

#30A28F

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #40a731;
/* rgb */ color: rgb(64, 167, 49);
/* oklch */ color: oklch(64.4% 0.182 141.3);

Tailwind

colors: {
  custom: {
    50: '#81c270',
    500: '#40a731',
    950: '#000000',
  },
}

SCSS

$custom: #40a731;
$custom-light: #81c270;
$custom-dark: #000000;

JSON

{
  "hex": "#40a731",
  "rgb": {
    "r": 64,
    "g": 167,
    "b": 49
  },
  "hsl": {
    "h": 112.373,
    "s": 54.63,
    "l": 42.353
  },
  "oklch": {
    "l": 0.64432,
    "c": 0.18179,
    "h": 141.3
  },
  "luminance": 0.28949
}

Semantic roles & 50–950 ramp

primary

#40A731

secondary

#B773C1

accent

#4ADECB

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0B1208

muted

#7C817B

Preview Lab

Preview with #40A731

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

Preview Lab → · Contrast checker → · Palette generator →