#40DA39#40DA39

#40DA39 is a light, highly saturated green. Relative luminance 0.515; OKLCH L 77.9% C 0.235 H 142.4°. Best body text is #000000 at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#40DA39
RGB	rgb(64, 218, 57)
HSL	hsl(117, 69%, 54%)
HSV	hsv(117, 74%, 85%)
CMYK	cmyk(70.6%, 0%, 73.9%, 14.5%)
CIE-LAB	lab(77.00, -68.46, 63.54)
CIE-LCH	lch(77.00, 93.40, 137.13°)
OKLab	oklab(77.92% -0.1862 0.1433)
OKLCH	oklch(77.92% 0.235 142.4)
XYZ	xyz(27.9226, 51.5251, 12.3439)
Luminance	0.5153 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DA39 #D339DA

analogous

#91DA39 #40DA39 #39DA83

triadic

#40DA39 #3940DA #DA3940

tetradic

#40DA39 #3991DA #D339DA #DA8339

square

#40DA39 #3991DA #D339DA #DA8339

split-complementary

#40DA39 #8339DA #DA3991

monochromatic

#1D8118 #28B422 #40DA39 #72E46D #A3EDA0

Accessibility & contrast

On white

1.86

#40DA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.31

#40DA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DA39

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DA39	#FFFFFF	#000000	##000000
##40DA39	1.00	1.86	11.31	11.31
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.31	21.00	1.00	1.00
##000000	11.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC518

Deuteranopia (green-blind)

#CDB94A

Tritanopia (blue-blind)

#0BD3BB

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #40da39;
/* rgb */ color: rgb(64, 218, 57);
/* oklch */ color: oklch(77.9% 0.235 142.4);

Tailwind

colors: {
  custom: {
    50: '#8be77a',
    500: '#40da39',
    950: '#000000',
  },
}

SCSS

$custom: #40da39;
$custom-light: #8be77a;
$custom-dark: #000000;

JSON

{
  "hex": "#40da39",
  "rgb": {
    "r": 64,
    "g": 218,
    "b": 57
  },
  "hsl": {
    "h": 117.391,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.77921,
    "c": 0.23497,
    "h": 142.4
  },
  "luminance": 0.51528
}

Semantic roles & 50–950 ramp

primary

#40DA39

secondary

#843088

accent

#3CEBE4

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160A

muted

#7F847D

Preview Lab

Preview with #40DA39

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

Preview Lab → · Contrast checker → · Palette generator →