#40B242#40B242

#40B242 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.5% C 0.183 H 143.5°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#40B242
RGB	rgb(64, 178, 66)
HSL	hsl(121, 47%, 47%)
HSV	hsv(121, 64%, 70%)
CMYK	cmyk(64%, 0%, 62.9%, 30.2%)
CIE-LAB	lab(64.42, -54.20, 46.70)
CIE-LCH	lch(64.42, 71.55, 139.25°)
OKLab	oklab(67.53% -0.1471 0.109)
OKLCH	oklch(67.53% 0.183 143.5)
XYZ	xyz(19.0170, 33.3222, 10.5828)
Luminance	0.3332 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B242 #B240B0

analogous

#77B240 #40B242 #40B27B

triadic

#40B242 #4240B2 #B24240

tetradic

#40B242 #4077B2 #B240B0 #B27B40

square

#40B242 #4077B2 #B240B0 #B27B40

split-complementary

#40B242 #7B40B2 #B24077

monochromatic

#205821 #308531 #40B242 #67C869 #94D895

Accessibility & contrast

On white

2.74

#40B242 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#40B242 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B242

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B242	#FFFFFF	#000000	##000000
##40B242	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A235

Deuteranopia (green-blind)

#A8994B

Tritanopia (blue-blind)

#27AD9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b242;
/* rgb */ color: rgb(64, 178, 66);
/* oklch */ color: oklch(67.5% 0.183 143.5);

Tailwind

colors: {
  custom: {
    50: '#82ca7b',
    500: '#40b242',
    950: '#000000',
  },
}

SCSS

$custom: #40b242;
$custom-light: #82ca7b;
$custom-dark: #000000;

JSON

{
  "hex": "#40b242",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 66
  },
  "hsl": {
    "h": 121.053,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.67525,
    "c": 0.18308,
    "h": 143.5
  },
  "luminance": 0.33324
}

Semantic roles & 50–950 ramp

primary

#40B242

secondary

#C48AC3

accent

#51D4D7

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C130A

muted

#7D827C

Preview Lab

Preview with #40B242

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

Preview Lab → · Contrast checker → · Palette generator →