#40E27E#40E27E

#40E27E is a light, vivid green. Relative luminance 0.570; OKLCH L 80.8% C 0.192 H 151.6°. Best body text is #000000 at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#40E27E
RGB	rgb(64, 226, 126)
HSL	hsl(143, 74%, 57%)
HSV	hsv(143, 72%, 89%)
CMYK	cmyk(71.7%, 0%, 44.2%, 11.4%)
CIE-LAB	lab(80.17, -62.85, 37.15)
CIE-LCH	lch(80.17, 73.01, 149.41°)
OKLab	oklab(80.78% -0.1692 0.0914)
OKLCH	oklch(80.78% 0.192 151.6)
XYZ	xyz(33.0738, 56.9853, 28.9908)
Luminance	0.5699 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E27E #E240A4

analogous

#53E240 #40E27E #40E2CF

triadic

#40E27E #7E40E2 #E27E40

tetradic

#40E27E #4053E2 #E240A4 #E2CF40

square

#40E27E #4053E2 #E240A4 #E2CF40

split-complementary

#40E27E #CF40E2 #E24053

monochromatic

#169245 #1EC75F #40E27E #75EAA2 #AAF2C6

Accessibility & contrast

On white

1.69

#40E27E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.40

#40E27E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E27E

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E27E	#FFFFFF	#000000	##000000
##40E27E	1.00	1.69	12.40	12.40
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.40	21.00	1.00	1.00
##000000	12.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CF76

Deuteranopia (green-blind)

#CFC185

Tritanopia (blue-blind)

#00DFCA

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #40e27e;
/* rgb */ color: rgb(64, 226, 126);
/* oklch */ color: oklch(80.8% 0.192 151.6);

Tailwind

colors: {
  custom: {
    50: '#8aeca4',
    500: '#40e27e',
    950: '#000000',
  },
}

SCSS

$custom: #40e27e;
$custom-light: #8aeca4;
$custom-dark: #000000;

JSON

{
  "hex": "#40e27e",
  "rgb": {
    "r": 64,
    "g": 226,
    "b": 126
  },
  "hsl": {
    "h": 142.963,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.80778,
    "c": 0.19228,
    "h": 151.6
  },
  "luminance": 0.56989
}

Semantic roles & 50–950 ramp

primary

#40E27E

secondary

#96306F

accent

#38AAF0

background

#FCFFFC

surface

#F4FEF6

border

#CED6D0

text

#0D160F

muted

#7F8580

Preview Lab

Preview with #40E27E

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

Preview Lab → · Contrast checker → · Palette generator →