#40B337#40B337

#40B337 is a light, vivid green. Relative luminance 0.336; OKLCH L 67.7% C 0.192 H 142.1°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#40B337
RGB	rgb(64, 179, 55)
HSL	hsl(116, 53%, 46%)
HSV	hsv(116, 69%, 70%)
CMYK	cmyk(64.2%, 0%, 69.3%, 29.8%)
CIE-LAB	lab(64.65, -55.66, 51.60)
CIE-LCH	lch(64.65, 75.89, 137.17°)
OKLab	oklab(67.68% -0.1516 0.1181)
OKLCH	oklch(67.68% 0.192 142.1)
XYZ	xyz(18.9230, 33.6041, 9.1027)
Luminance	0.3361 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B337 #AA37B3

analogous

#7EB337 #40B337 #37B36C

triadic

#40B337 #3740B3 #B33740

tetradic

#40B337 #377EB3 #AA37B3 #B36C37

square

#40B337 #377EB3 #AA37B3 #B36C37

split-complementary

#40B337 #6C37B3 #B3377E

monochromatic

#1F551A #2F8429 #40B337 #63CD5B #8FDB8A

Accessibility & contrast

On white

2.72

#40B337 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#40B337 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B337

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B337	#FFFFFF	#000000	##000000
##40B337	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A325

Deuteranopia (green-blind)

#A99943

Tritanopia (blue-blind)

#2AAE9A

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b337;
/* rgb */ color: rgb(64, 179, 55);
/* oklch */ color: oklch(67.7% 0.192 142.1);

Tailwind

colors: {
  custom: {
    50: '#83cb74',
    500: '#40b337',
    950: '#000000',
  },
}

SCSS

$custom: #40b337;
$custom-light: #83cb74;
$custom-dark: #000000;

JSON

{
  "hex": "#40b337",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 55
  },
  "hsl": {
    "h": 115.645,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.67682,
    "c": 0.1922,
    "h": 142.1
  },
  "luminance": 0.33606
}

Semantic roles & 50–950 ramp

primary

#40B337

secondary

#C081C5

accent

#4BDCD2

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B337

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

Preview Lab → · Contrast checker → · Palette generator →