#40D340#40D340

#40D340 is a light, highly saturated green. Relative luminance 0.480; OKLCH L 76.2% C 0.223 H 143.0°. Best body text is #000000 at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#40D340
RGB	rgb(64, 211, 64)
HSL	hsl(120, 63%, 54%)
HSV	hsv(120, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 69.7%, 17.3%)
CIE-LAB	lab(74.85, -65.66, 58.83)
CIE-LCH	lch(74.85, 88.16, 138.14°)
OKLab	oklab(76.16% -0.1783 0.1344)
OKLCH	oklch(76.16% 0.223 143)
XYZ	xyz(26.3324, 48.0458, 12.7355)
Luminance	0.4805 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D340 #D340D3

analogous

#8AD340 #40D340 #40D38A

triadic

#40D340 #4040D3 #D34040

tetradic

#40D340 #408AD3 #D340D3 #D38A40

square

#40D340 #408AD3 #D340D3 #D38A40

split-complementary

#40D340 #8A40D3 #D3408A

monochromatic

#1D7C1D #28AE28 #40D340 #72DE72 #A3EAA3

Accessibility & contrast

On white

1.98

#40D340 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.61

#40D340 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D340

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D340	#FFFFFF	#000000	##000000
##40D340	1.00	1.98	10.61	10.61
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.61	21.00	1.00	1.00
##000000	10.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF29

Deuteranopia (green-blind)

#C6B44E

Tritanopia (blue-blind)

#10CDB6

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #40d340;
/* rgb */ color: rgb(64, 211, 64);
/* oklch */ color: oklch(76.2% 0.223 143.0);

Tailwind

colors: {
  custom: {
    50: '#89e27d',
    500: '#40d340',
    950: '#000000',
  },
}

SCSS

$custom: #40d340;
$custom-light: #89e27d;
$custom-dark: #000000;

JSON

{
  "hex": "#40d340",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76159,
    "c": 0.22324,
    "h": 143
  },
  "luminance": 0.48049
}

Semantic roles & 50–950 ramp

primary

#40D340

secondary

#D798D7

accent

#42E6E6

background

#F9FEF7

surface

#F1FCEE

border

#CBD5C9

text

#0D150A

muted

#7E847C

Preview Lab

Preview with #40D340

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

Preview Lab → · Contrast checker → · Palette generator →