#40DA57#40DA57

#40DA57 is a light, highly saturated green. Relative luminance 0.519; OKLCH L 78.2% C 0.215 H 145.4°. Best body text is #000000 at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#40DA57
RGB	rgb(64, 218, 87)
HSL	hsl(129, 68%, 55%)
HSV	hsv(129, 71%, 85%)
CMYK	cmyk(70.6%, 0%, 60.1%, 14.5%)
CIE-LAB	lab(77.23, -65.62, 51.98)
CIE-LCH	lch(77.23, 83.72, 141.62°)
OKLab	oklab(78.19% -0.1772 0.1222)
OKLCH	oklch(78.19% 0.215 145.4)
XYZ	xyz(28.9041, 51.9177, 17.5128)
Luminance	0.5192 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DA57 #DA40C3

analogous

#76DA40 #40DA57 #40DAA4

triadic

#40DA57 #5740DA #DA5740

tetradic

#40DA57 #4076DA #DA40C3 #DAA440

square

#40DA57 #4076DA #DA40C3 #DAA440

split-complementary

#40DA57 #A440DA #DA4076

monochromatic

#1A862A #24B93A #40DA57 #73E484 #A7EEB1

Accessibility & contrast

On white

1.84

#40DA57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.38

#40DA57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DA57

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DA57	#FFFFFF	#000000	##000000
##40DA57	1.00	1.84	11.38	11.38
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.38	21.00	1.00	1.00
##000000	11.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC649

Deuteranopia (green-blind)

#CBBA62

Tritanopia (blue-blind)

#00D5BE

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40da57;
/* rgb */ color: rgb(64, 218, 87);
/* oklch */ color: oklch(78.2% 0.215 145.4);

Tailwind

colors: {
  custom: {
    50: '#8ae78b',
    500: '#40da57',
    950: '#000000',
  },
}

SCSS

$custom: #40da57;
$custom-light: #8ae78b;
$custom-dark: #000000;

JSON

{
  "hex": "#40da57",
  "rgb": {
    "r": 64,
    "g": 218,
    "b": 87
  },
  "hsl": {
    "h": 128.961,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.78192,
    "c": 0.21523,
    "h": 145.4
  },
  "luminance": 0.51921
}

Semantic roles & 50–950 ramp

primary

#40DA57

secondary

#8C327F

accent

#3DD1EA

background

#FCFEFC

surface

#F4FDF4

border

#CED5CE

text

#0D160C

muted

#7F847F

Preview Lab

Preview with #40DA57

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

Preview Lab → · Contrast checker → · Palette generator →