#40B642#40B642

#40B642 is a light, vivid green. Relative luminance 0.349; OKLCH L 68.6% C 0.188 H 143.4°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#40B642
RGB	rgb(64, 182, 66)
HSL	hsl(121, 48%, 48%)
HSV	hsv(121, 65%, 71%)
CMYK	cmyk(64.8%, 0%, 63.7%, 28.6%)
CIE-LAB	lab(65.70, -55.63, 48.13)
CIE-LCH	lch(65.70, 73.56, 139.13°)
OKLab	oklab(68.58% -0.151 0.112)
OKLCH	oklch(68.58% 0.188 143.4)
XYZ	xyz(19.8245, 34.9372, 10.8520)
Luminance	0.3494 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B642 #B640B4

analogous

#79B640 #40B642 #40B67D

triadic

#40B642 #4240B6 #B64240

tetradic

#40B642 #4079B6 #B640B4 #B67D40

square

#40B642 #4079B6 #B640B4 #B67D40

split-complementary

#40B642 #7D40B6 #B64079

monochromatic

#205B21 #308932 #40B642 #69CA6B #96DA97

Accessibility & contrast

On white

2.63

#40B642 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.99

#40B642 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B642

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B642	#FFFFFF	#000000	##000000
##40B642	1.00	2.63	7.99	7.99
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.99	21.00	1.00	1.00
##000000	7.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA634

Deuteranopia (green-blind)

#AB9C4C

Tritanopia (blue-blind)

#25B19E

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40b642;
/* rgb */ color: rgb(64, 182, 66);
/* oklch */ color: oklch(68.6% 0.188 143.4);

Tailwind

colors: {
  custom: {
    50: '#83cd7b',
    500: '#40b642',
    950: '#000000',
  },
}

SCSS

$custom: #40b642;
$custom-light: #83cd7b;
$custom-dark: #000000;

JSON

{
  "hex": "#40b642",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 66
  },
  "hsl": {
    "h": 121.017,
    "s": 47.967,
    "l": 48.235
  },
  "oklch": {
    "l": 0.68582,
    "c": 0.18801,
    "h": 143.4
  },
  "luminance": 0.34939
}

Semantic roles & 50–950 ramp

primary

#40B642

secondary

#C68CC5

accent

#50D5D8

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C140A

muted

#7D827C

Preview Lab

Preview with #40B642

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

Preview Lab → · Contrast checker → · Palette generator →