#40DE59#40DE59

#40DE59 is a light, highly saturated green. Relative luminance 0.541; OKLCH L 79.2% C 0.218 H 145.5°. Best body text is #000000 at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#40DE59
RGB	rgb(64, 222, 89)
HSL	hsl(129, 71%, 56%)
HSV	hsv(129, 71%, 87%)
CMYK	cmyk(71.2%, 0%, 59.9%, 12.9%)
CIE-LAB	lab(78.49, -66.72, 52.55)
CIE-LCH	lch(78.49, 84.93, 141.78°)
OKLab	oklab(79.24% -0.1801 0.1236)
OKLCH	oklch(79.24% 0.218 145.5)
XYZ	xyz(30.0367, 54.0504, 18.2990)
Luminance	0.5405 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DE59 #DE40C5

analogous

#76DE40 #40DE59 #40DEA8

triadic

#40DE59 #5940DE #DE5940

tetradic

#40DE59 #4076DE #DE40C5 #DEA840

square

#40DE59 #4076DE #DE40C5 #DEA840

split-complementary

#40DE59 #A840DE #DE4076

monochromatic

#188B2A #21C03A #40DE59 #74E786 #A8F0B4

Accessibility & contrast

On white

1.78

#40DE59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.81

#40DE59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DE59

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DE59	#FFFFFF	#000000	##000000
##40DE59	1.00	1.78	11.81	11.81
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.81	21.00	1.00	1.00
##000000	11.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CA4B

Deuteranopia (green-blind)

#CFBD64

Tritanopia (blue-blind)

#00D9C1

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #40de59;
/* rgb */ color: rgb(64, 222, 89);
/* oklch */ color: oklch(79.2% 0.218 145.5);

Tailwind

colors: {
  custom: {
    50: '#8aea8c',
    500: '#40de59',
    950: '#000000',
  },
}

SCSS

$custom: #40de59;
$custom-light: #8aea8c;
$custom-dark: #000000;

JSON

{
  "hex": "#40de59",
  "rgb": {
    "r": 64,
    "g": 222,
    "b": 89
  },
  "hsl": {
    "h": 129.494,
    "s": 70.536,
    "l": 56.078
  },
  "oklch": {
    "l": 0.79242,
    "c": 0.21841,
    "h": 145.5
  },
  "luminance": 0.54054
}

Semantic roles & 50–950 ramp

primary

#40DE59

secondary

#913182

accent

#3AD1ED

background

#FCFEFC

surface

#F4FDF4

border

#CED5CE

text

#0D160C

muted

#7F847F

Preview Lab

Preview with #40DE59

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

Preview Lab → · Contrast checker → · Palette generator →