#40B042#40B042

#40B042 is a light, vivid green. Relative luminance 0.325; OKLCH L 67.0% C 0.181 H 143.5°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#40B042
RGB	rgb(64, 176, 66)
HSL	hsl(121, 47%, 47%)
HSV	hsv(121, 64%, 69%)
CMYK	cmyk(63.6%, 0%, 62.5%, 31%)
CIE-LAB	lab(63.78, -53.48, 45.98)
CIE-LCH	lch(63.78, 70.53, 139.31°)
OKLab	oklab(67% -0.1452 0.1074)
OKLCH	oklch(67% 0.181 143.5)
XYZ	xyz(18.6220, 32.5322, 10.4512)
Luminance	0.3253 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B042 #B040AE

analogous

#76B040 #40B042 #40B07A

triadic

#40B042 #4240B0 #B04240

tetradic

#40B042 #4076B0 #B040AE #B07A40

square

#40B042 #4076B0 #B040AE #B07A40

split-complementary

#40B042 #7A40B0 #B04076

monochromatic

#1F5620 #308331 #40B042 #66C768 #93D894

Accessibility & contrast

On white

2.80

#40B042 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#40B042 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B042

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B042	#FFFFFF	#000000	##000000
##40B042	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)

#B4A035

Deuteranopia (green-blind)

#A6974B

Tritanopia (blue-blind)

#28AB99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40b042;
/* rgb */ color: rgb(64, 176, 66);
/* oklch */ color: oklch(67.0% 0.181 143.5);

Tailwind

colors: {
  custom: {
    50: '#82c97a',
    500: '#40b042',
    950: '#000000',
  },
}

SCSS

$custom: #40b042;
$custom-light: #82c97a;
$custom-dark: #000000;

JSON

{
  "hex": "#40b042",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 66
  },
  "hsl": {
    "h": 121.071,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.66996,
    "c": 0.1806,
    "h": 143.5
  },
  "luminance": 0.32534
}

Semantic roles & 50–950 ramp

primary

#40B042

secondary

#C389C2

accent

#51D4D6

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B042

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

Preview Lab → · Contrast checker → · Palette generator →