#40DE3B#40DE3B

#40DE3B is a light, highly saturated green. Relative luminance 0.536; OKLCH L 79.0% C 0.238 H 142.6°. Best body text is #000000 at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#40DE3B
RGB	rgb(64, 222, 59)
HSL	hsl(118, 71%, 55%)
HSV	hsv(118, 73%, 87%)
CMYK	cmyk(71.2%, 0%, 73.4%, 12.9%)
CIE-LAB	lab(78.25, -69.57, 64.12)
CIE-LCH	lch(78.25, 94.61, 137.33°)
OKLab	oklab(78.97% -0.1891 0.1448)
OKLCH	oklch(78.97% 0.238 142.6)
XYZ	xyz(29.0233, 53.6451, 12.9618)
Luminance	0.5365 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DE3B #D93BDE

analogous

#91DE3B #40DE3B #3BDE88

triadic

#40DE3B #3B40DE #DE3B40

tetradic

#40DE3B #3B91DE #D93BDE #DE883B

square

#40DE3B #3B91DE #D93BDE #DE883B

split-complementary

#40DE3B #883BDE #DE3B91

monochromatic

#1A8817 #24BC20 #40DE3B #73E76F #A6F0A4

Accessibility & contrast

On white

1.79

#40DE3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.73

#40DE3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DE3B

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DE3B	#FFFFFF	#000000	##000000
##40DE3B	1.00	1.79	11.73	11.73
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.73	21.00	1.00	1.00
##000000	11.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3C91B

Deuteranopia (green-blind)

#D1BD4C

Tritanopia (blue-blind)

#02D7BF

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #40de3b;
/* rgb */ color: rgb(64, 222, 59);
/* oklch */ color: oklch(79.0% 0.238 142.6);

Tailwind

colors: {
  custom: {
    50: '#8cea7b',
    500: '#40de3b',
    950: '#000000',
  },
}

SCSS

$custom: #40de3b;
$custom-light: #8cea7b;
$custom-dark: #000000;

JSON

{
  "hex": "#40de3b",
  "rgb": {
    "r": 64,
    "g": 222,
    "b": 59
  },
  "hsl": {
    "h": 118.16,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.78969,
    "c": 0.23818,
    "h": 142.6
  },
  "luminance": 0.53648
}

Semantic roles & 50–950 ramp

primary

#40DE3B

secondary

#8B2F8E

accent

#3AEEE8

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0E160A

muted

#7F857D

Preview Lab

Preview with #40DE3B

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

Preview Lab → · Contrast checker → · Palette generator →