#40E391#40E391

#40E391 is a light, vivid green. Relative luminance 0.581; OKLCH L 81.4% C 0.177 H 156.3°. Best body text is #000000 at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#40E391
RGB	rgb(64, 227, 145)
HSL	hsl(150, 74%, 57%)
HSV	hsv(150, 72%, 89%)
CMYK	cmyk(71.8%, 0%, 36.1%, 11%)
CIE-LAB	lab(80.78, -59.82, 28.35)
CIE-LCH	lch(80.78, 66.20, 154.64°)
OKLab	oklab(81.38% -0.1618 0.0711)
OKLCH	oklch(81.38% 0.177 156.3)
XYZ	xyz(34.6910, 58.0685, 36.1626)
Luminance	0.5807 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E391 #E34092

analogous

#41E340 #40E391 #40E3E3

triadic

#40E391 #9140E3 #E39140

tetradic

#40E391 #4041E3 #E34092 #E3E340

square

#40E391 #4041E3 #E34092 #E3E340

split-complementary

#40E391 #E340E3 #E34041

monochromatic

#169354 #1DC872 #40E391 #75EBB0 #ABF3CE

Accessibility & contrast

On white

1.66

#40E391 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.61

#40E391 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E391

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E391	#FFFFFF	#000000	##000000
##40E391	1.00	1.66	12.61	12.61
#FFFFFF	1.66	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)

#E2D18C

Deuteranopia (green-blind)

#CEC396

Tritanopia (blue-blind)

#00E1CE

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #40e391;
/* rgb */ color: rgb(64, 227, 145);
/* oklch */ color: oklch(81.4% 0.177 156.3);

Tailwind

colors: {
  custom: {
    50: '#8aedb2',
    500: '#40e391',
    950: '#000000',
  },
}

SCSS

$custom: #40e391;
$custom-light: #8aedb2;
$custom-dark: #000000;

JSON

{
  "hex": "#40e391",
  "rgb": {
    "r": 64,
    "g": 227,
    "b": 145
  },
  "hsl": {
    "h": 149.816,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.81376,
    "c": 0.1767,
    "h": 156.3
  },
  "luminance": 0.58072
}

Semantic roles & 50–950 ramp

primary

#40E391

secondary

#973064

accent

#3794F1

background

#FCFFFD

surface

#F4FEF7

border

#CED6D0

text

#0D1611

muted

#7F8581

Preview Lab

Preview with #40E391

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

Preview Lab → · Contrast checker → · Palette generator →