#40E159#40E159

#40E159 is a light, highly saturated green. Relative luminance 0.557; OKLCH L 80.0% C 0.222 H 145.4°. Best body text is #000000 at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#40E159
RGB	rgb(64, 225, 89)
HSL	hsl(129, 73%, 57%)
HSV	hsv(129, 72%, 88%)
CMYK	cmyk(71.6%, 0%, 60.4%, 11.8%)
CIE-LAB	lab(79.42, -67.71, 53.61)
CIE-LCH	lch(79.42, 86.36, 141.63°)
OKLab	oklab(80.01% -0.1827 0.1259)
OKLCH	oklch(80.01% 0.222 145.4)
XYZ	xyz(30.8406, 55.6582, 18.5670)
Luminance	0.5566 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E159 #E140C8

analogous

#78E140 #40E159 #40E1AA

triadic

#40E159 #5940E1 #E15940

tetradic

#40E159 #4078E1 #E140C8 #E1AA40

square

#40E159 #4078E1 #E140C8 #E1AA40

split-complementary

#40E159 #AA40E1 #E14078

monochromatic

#179029 #1FC539 #40E159 #75E987 #AAF2B5

Accessibility & contrast

On white

1.73

#40E159 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.13

#40E159 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E159

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E159	#FFFFFF	#000000	##000000
##40E159	1.00	1.73	12.13	12.13
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.13	21.00	1.00	1.00
##000000	12.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CD4A

Deuteranopia (green-blind)

#D2C064

Tritanopia (blue-blind)

#00DBC4

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #40e159;
/* rgb */ color: rgb(64, 225, 89);
/* oklch */ color: oklch(80.0% 0.222 145.4);

Tailwind

colors: {
  custom: {
    50: '#8bec8c',
    500: '#40e159',
    950: '#000000',
  },
}

SCSS

$custom: #40e159;
$custom-light: #8bec8c;
$custom-dark: #000000;

JSON

{
  "hex": "#40e159",
  "rgb": {
    "r": 64,
    "g": 225,
    "b": 89
  },
  "hsl": {
    "h": 129.317,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.80011,
    "c": 0.2219,
    "h": 145.4
  },
  "luminance": 0.55662
}

Semantic roles & 50–950 ramp

primary

#40E159

secondary

#953085

accent

#38D3F0

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #40E159

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

Preview Lab → · Contrast checker → · Palette generator →