#40E157#40E157

#40E157 is a light, highly saturated green. Relative luminance 0.556; OKLCH L 80.0% C 0.223 H 145.2°. Best body text is #000000 at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#40E157
RGB	rgb(64, 225, 87)
HSL	hsl(129, 73%, 57%)
HSV	hsv(129, 72%, 88%)
CMYK	cmyk(71.6%, 0%, 61.3%, 11.8%)
CIE-LAB	lab(79.40, -67.93, 54.45)
CIE-LCH	lch(79.40, 87.06, 141.29°)
OKLab	oklab(79.99% -0.1834 0.1275)
OKLCH	oklch(79.99% 0.223 145.2)
XYZ	xyz(30.7578, 55.6251, 18.1307)
Luminance	0.5563 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E157 #E140CA

analogous

#7AE140 #40E157 #40E1A7

triadic

#40E157 #5740E1 #E15740

tetradic

#40E157 #407AE1 #E140CA #E1A740

square

#40E157 #407AE1 #E140CA #E1A740

split-complementary

#40E157 #A740E1 #E1407A

monochromatic

#179028 #1FC537 #40E157 #75E986 #AAF2B4

Accessibility & contrast

On white

1.73

#40E157 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.13

#40E157 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E157

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E157	#FFFFFF	#000000	##000000
##40E157	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)

#E5CD47

Deuteranopia (green-blind)

#D2C063

Tritanopia (blue-blind)

#00DBC4

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #40e157;
/* rgb */ color: rgb(64, 225, 87);
/* oklch */ color: oklch(80.0% 0.223 145.2);

Tailwind

colors: {
  custom: {
    50: '#8bec8b',
    500: '#40e157',
    950: '#000000',
  },
}

SCSS

$custom: #40e157;
$custom-light: #8bec8b;
$custom-dark: #000000;

JSON

{
  "hex": "#40e157",
  "rgb": {
    "r": 64,
    "g": 225,
    "b": 87
  },
  "hsl": {
    "h": 128.571,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.79989,
    "c": 0.2234,
    "h": 145.2
  },
  "luminance": 0.55629
}

Semantic roles & 50–950 ramp

primary

#40E157

secondary

#953087

accent

#38D5F0

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #40E157

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

Preview Lab → · Contrast checker → · Palette generator →