#40B536#40B536

#40B536 is a light, vivid green. Relative luminance 0.344; OKLCH L 68.2% C 0.195 H 142.0°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#40B536
RGB	rgb(64, 181, 54)
HSL	hsl(115, 54%, 46%)
HSV	hsv(115, 70%, 71%)
CMYK	cmyk(64.6%, 0%, 70.2%, 29%)
CIE-LAB	lab(65.28, -56.45, 52.66)
CIE-LCH	lch(65.28, 77.20, 136.99°)
OKLab	oklab(68.2% -0.1538 0.1202)
OKLCH	oklch(68.2% 0.195 142)
XYZ	xyz(19.3030, 34.4022, 9.1123)
Luminance	0.3440 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B536 #AB36B5

analogous

#7FB536 #40B536 #36B56B

triadic

#40B536 #3640B5 #B53640

tetradic

#40B536 #367FB5 #AB36B5 #B56B36

square

#40B536 #367FB5 #AB36B5 #B56B36

split-complementary

#40B536 #6B36B5 #B5367F

monochromatic

#1F571A #2F8628 #40B536 #63CE5A #90DC89

Accessibility & contrast

On white

2.66

#40B536 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#40B536 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B536

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B536	#FFFFFF	#000000	##000000
##40B536	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A422

Deuteranopia (green-blind)

#AB9B42

Tritanopia (blue-blind)

#29B09C

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b536;
/* rgb */ color: rgb(64, 181, 54);
/* oklch */ color: oklch(68.2% 0.195 142.0);

Tailwind

colors: {
  custom: {
    50: '#84cc74',
    500: '#40b536',
    950: '#000000',
  },
}

SCSS

$custom: #40b536;
$custom-light: #84cc74;
$custom-dark: #000000;

JSON

{
  "hex": "#40b536",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 54
  },
  "hsl": {
    "h": 115.276,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.68204,
    "c": 0.19522,
    "h": 142
  },
  "luminance": 0.34404
}

Semantic roles & 50–950 ramp

primary

#40B536

secondary

#C181C6

accent

#4ADDD2

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B536

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

Preview Lab → · Contrast checker → · Palette generator →