#40D440#40D440

#40D440 is a light, highly saturated green. Relative luminance 0.485; OKLCH L 76.4% C 0.224 H 143.0°. Best body text is #000000 at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#40D440
RGB	rgb(64, 212, 64)
HSL	hsl(120, 63%, 54%)
HSV	hsv(120, 70%, 83%)
CMYK	cmyk(69.8%, 0%, 69.8%, 16.9%)
CIE-LAB	lab(75.17, -65.98, 59.16)
CIE-LCH	lch(75.17, 88.62, 138.12°)
OKLab	oklab(76.42% -0.1791 0.1351)
OKLCH	oklch(76.42% 0.224 143)
XYZ	xyz(26.5816, 48.5442, 12.8186)
Luminance	0.4855 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D440 #D440D4

analogous

#8AD440 #40D440 #40D48A

triadic

#40D440 #4040D4 #D44040

tetradic

#40D440 #408AD4 #D440D4 #D48A40

square

#40D440 #408AD4 #D440D4 #D48A40

split-complementary

#40D440 #8A40D4 #D4408A

monochromatic

#1C7D1C #27AF27 #40D440 #72DF72 #A4EAA4

Accessibility & contrast

On white

1.96

#40D440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.71

#40D440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D440

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D440	#FFFFFF	#000000	##000000
##40D440	1.00	1.96	10.71	10.71
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.71	21.00	1.00	1.00
##000000	10.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C029

Deuteranopia (green-blind)

#C7B54F

Tritanopia (blue-blind)

#0FCEB7

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #40d440;
/* rgb */ color: rgb(64, 212, 64);
/* oklch */ color: oklch(76.4% 0.224 143.0);

Tailwind

colors: {
  custom: {
    50: '#89e27d',
    500: '#40d440',
    950: '#000000',
  },
}

SCSS

$custom: #40d440;
$custom-light: #89e27d;
$custom-dark: #000000;

JSON

{
  "hex": "#40d440",
  "rgb": {
    "r": 64,
    "g": 212,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.76418,
    "c": 0.22435,
    "h": 143
  },
  "luminance": 0.48547
}

Semantic roles & 50–950 ramp

primary

#40D440

secondary

#D798D7

accent

#42E6E6

background

#F9FEF7

surface

#F1FCEE

border

#CBD5C9

text

#0D160A

muted

#7E847C

Preview Lab

Preview with #40D440

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

Preview Lab → · Contrast checker → · Palette generator →