#40E390#40E390

#40E390 is a light, vivid green. Relative luminance 0.580; OKLCH L 81.4% C 0.178 H 156.0°. Best body text is #000000 at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#40E390
RGB	rgb(64, 227, 144)
HSL	hsl(149, 74%, 57%)
HSV	hsv(149, 72%, 89%)
CMYK	cmyk(71.8%, 0%, 36.6%, 11%)
CIE-LAB	lab(80.76, -60.01, 28.84)
CIE-LCH	lch(80.76, 66.58, 154.33°)
OKLab	oklab(81.36% -0.1622 0.0723)
OKLCH	oklch(81.36% 0.178 156)
XYZ	xyz(34.6142, 58.0378, 35.7583)
Luminance	0.5804 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E390 #E34093

analogous

#42E340 #40E390 #40E3E2

triadic

#40E390 #9040E3 #E39040

tetradic

#40E390 #4042E3 #E34093 #E3E240

square

#40E390 #4042E3 #E34093 #E3E240

split-complementary

#40E390 #E240E3 #E34042

monochromatic

#169353 #1DC871 #40E390 #75EBAF #ABF3CE

Accessibility & contrast

On white

1.67

#40E390 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.61

#40E390 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E390

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E390	#FFFFFF	#000000	##000000
##40E390	1.00	1.67	12.61	12.61
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.61	21.00	1.00	1.00
##000000	12.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2D18B

Deuteranopia (green-blind)

#CEC395

Tritanopia (blue-blind)

#00E1CE

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #40e390;
/* rgb */ color: rgb(64, 227, 144);
/* oklch */ color: oklch(81.4% 0.178 156.0);

Tailwind

colors: {
  custom: {
    50: '#8aedb1',
    500: '#40e390',
    950: '#000000',
  },
}

SCSS

$custom: #40e390;
$custom-light: #8aedb1;
$custom-dark: #000000;

JSON

{
  "hex": "#40e390",
  "rgb": {
    "r": 64,
    "g": 227,
    "b": 144
  },
  "hsl": {
    "h": 149.448,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.81356,
    "c": 0.17759,
    "h": 156
  },
  "luminance": 0.58042
}

Semantic roles & 50–950 ramp

primary

#40E390

secondary

#973065

accent

#3796F1

background

#FCFFFD

surface

#F4FEF7

border

#CED6D0

text

#0D1610

muted

#7F8581

Preview Lab

Preview with #40E390

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

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