#40B442#40B442

#40B442 is a light, vivid green. Relative luminance 0.341; OKLCH L 68.1% C 0.186 H 143.4°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#40B442
RGB	rgb(64, 180, 66)
HSL	hsl(121, 48%, 48%)
HSV	hsv(121, 64%, 71%)
CMYK	cmyk(64.4%, 0%, 63.3%, 29.4%)
CIE-LAB	lab(65.06, -54.92, 47.42)
CIE-LCH	lch(65.06, 72.56, 139.19°)
OKLab	oklab(68.05% -0.1491 0.1105)
OKLCH	oklch(68.05% 0.186 143.4)
XYZ	xyz(19.4178, 34.1239, 10.7165)
Luminance	0.3413 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B442 #B440B2

analogous

#78B440 #40B442 #40B47C

triadic

#40B442 #4240B4 #B44240

tetradic

#40B442 #4078B4 #B440B2 #B47C40

square

#40B442 #4078B4 #B440B2 #B47C40

split-complementary

#40B442 #7C40B4 #B44078

monochromatic

#205A21 #308731 #40B442 #68C96A #95D996

Accessibility & contrast

On white

2.68

#40B442 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.83

#40B442 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B442

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B442	#FFFFFF	#000000	##000000
##40B442	1.00	2.68	7.83	7.83
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.83	21.00	1.00	1.00
##000000	7.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A435

Deuteranopia (green-blind)

#A99A4C

Tritanopia (blue-blind)

#26AF9C

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b442;
/* rgb */ color: rgb(64, 180, 66);
/* oklch */ color: oklch(68.1% 0.186 143.4);

Tailwind

colors: {
  custom: {
    50: '#83cb7b',
    500: '#40b442',
    950: '#000000',
  },
}

SCSS

$custom: #40b442;
$custom-light: #83cb7b;
$custom-dark: #000000;

JSON

{
  "hex": "#40b442",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 66
  },
  "hsl": {
    "h": 121.034,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.68054,
    "c": 0.18556,
    "h": 143.4
  },
  "luminance": 0.34126
}

Semantic roles & 50–950 ramp

primary

#40B442

secondary

#C58BC4

accent

#51D5D7

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C130A

muted

#7D827C

Preview Lab

Preview with #40B442

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

Preview Lab → · Contrast checker → · Palette generator →