#40E357#40E357

#40E357 is a light, highly saturated green. Relative luminance 0.567; OKLCH L 80.5% C 0.226 H 145.1°. Best body text is #000000 at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#40E357
RGB	rgb(64, 227, 87)
HSL	hsl(128, 74%, 57%)
HSV	hsv(128, 72%, 89%)
CMYK	cmyk(71.8%, 0%, 61.7%, 11%)
CIE-LAB	lab(80.02, -68.58, 55.15)
CIE-LCH	lch(80.02, 88.01, 141.20°)
OKLab	oklab(80.5% -0.1852 0.129)
OKLCH	oklch(80.5% 0.226 145.1)
XYZ	xyz(31.3016, 56.7127, 18.3120)
Luminance	0.5672 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E357 #E340CC

analogous

#7BE340 #40E357 #40E3A8

triadic

#40E357 #5740E3 #E35740

tetradic

#40E357 #407BE3 #E340CC #E3A840

square

#40E357 #407BE3 #E340CC #E3A840

split-complementary

#40E357 #A840E3 #E3407B

monochromatic

#169327 #1DC836 #40E357 #75EB86 #ABF3B5

Accessibility & contrast

On white

1.70

#40E357 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.34

#40E357 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E357

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E357	#FFFFFF	#000000	##000000
##40E357	1.00	1.70	12.34	12.34
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.34	21.00	1.00	1.00
##000000	12.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CE47

Deuteranopia (green-blind)

#D4C163

Tritanopia (blue-blind)

#00DDC5

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #40e357;
/* rgb */ color: rgb(64, 227, 87);
/* oklch */ color: oklch(80.5% 0.226 145.1);

Tailwind

colors: {
  custom: {
    50: '#8bed8b',
    500: '#40e357',
    950: '#000000',
  },
}

SCSS

$custom: #40e357;
$custom-light: #8bed8b;
$custom-dark: #000000;

JSON

{
  "hex": "#40e357",
  "rgb": {
    "r": 64,
    "g": 227,
    "b": 87
  },
  "hsl": {
    "h": 128.466,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.80501,
    "c": 0.2257,
    "h": 145.1
  },
  "luminance": 0.56716
}

Semantic roles & 50–950 ramp

primary

#40E357

secondary

#973089

accent

#37D7F1

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #40E357

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

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