#40B043#40B043

#40B043 is a light, vivid green. Relative luminance 0.325; OKLCH L 67.0% C 0.180 H 143.6°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#40B043
RGB	rgb(64, 176, 67)
HSL	hsl(122, 47%, 47%)
HSV	hsv(122, 64%, 69%)
CMYK	cmyk(63.6%, 0%, 61.9%, 31%)
CIE-LAB	lab(63.79, -53.37, 45.54)
CIE-LCH	lch(63.79, 70.16, 139.52°)
OKLab	oklab(67.01% -0.1448 0.1066)
OKLCH	oklch(67.01% 0.18 143.6)
XYZ	xyz(18.6517, 32.5441, 10.6078)
Luminance	0.3255 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B043 #B040AD

analogous

#75B040 #40B043 #40B07B

triadic

#40B043 #4340B0 #B04340

tetradic

#40B043 #4075B0 #B040AD #B07B40

square

#40B043 #4075B0 #B040AD #B07B40

split-complementary

#40B043 #7B40B0 #B04075

monochromatic

#1F5621 #308332 #40B043 #66C768 #93D895

Accessibility & contrast

On white

2.80

#40B043 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#40B043 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B043

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B043	#FFFFFF	#000000	##000000
##40B043	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A037

Deuteranopia (green-blind)

#A6974C

Tritanopia (blue-blind)

#28AB99

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40b043;
/* rgb */ color: rgb(64, 176, 67);
/* oklch */ color: oklch(67.0% 0.180 143.6);

Tailwind

colors: {
  custom: {
    50: '#82c97b',
    500: '#40b043',
    950: '#000000',
  },
}

SCSS

$custom: #40b043;
$custom-light: #82c97b;
$custom-dark: #000000;

JSON

{
  "hex": "#40b043",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 67
  },
  "hsl": {
    "h": 121.607,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.67007,
    "c": 0.17981,
    "h": 143.6
  },
  "luminance": 0.32546
}

Semantic roles & 50–950 ramp

primary

#40B043

secondary

#C389C1

accent

#51D3D6

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C130A

muted

#7D827C

Preview Lab

Preview with #40B043

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

Preview Lab → · Contrast checker → · Palette generator →