#40E27F#40E27F

#40E27F is a light, vivid green. Relative luminance 0.570; OKLCH L 80.8% C 0.191 H 151.8°. Best body text is #000000 at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#40E27F
RGB	rgb(64, 226, 127)
HSL	hsl(143, 74%, 57%)
HSV	hsv(143, 72%, 89%)
CMYK	cmyk(71.7%, 0%, 43.8%, 11.4%)
CIE-LAB	lab(80.19, -62.68, 36.67)
CIE-LCH	lch(80.19, 72.62, 149.67°)
OKLab	oklab(80.79% -0.1687 0.0903)
OKLCH	oklch(80.79% 0.191 151.8)
XYZ	xyz(33.1386, 57.0112, 29.3323)
Luminance	0.5702 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E27F #E240A3

analogous

#52E240 #40E27F #40E2D0

triadic

#40E27F #7F40E2 #E27F40

tetradic

#40E27F #4052E2 #E240A3 #E2D040

square

#40E27F #4052E2 #E240A3 #E2D040

split-complementary

#40E27F #D040E2 #E24052

monochromatic

#169246 #1EC760 #40E27F #75EAA3 #AAF2C6

Accessibility & contrast

On white

1.69

#40E27F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.40

#40E27F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E27F

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E27F	#FFFFFF	#000000	##000000
##40E27F	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)

#E3CF78

Deuteranopia (green-blind)

#CFC186

Tritanopia (blue-blind)

#00DFCA

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #40e27f;
/* rgb */ color: rgb(64, 226, 127);
/* oklch */ color: oklch(80.8% 0.191 151.8);

Tailwind

colors: {
  custom: {
    50: '#8aeca5',
    500: '#40e27f',
    950: '#000000',
  },
}

SCSS

$custom: #40e27f;
$custom-light: #8aeca5;
$custom-dark: #000000;

JSON

{
  "hex": "#40e27f",
  "rgb": {
    "r": 64,
    "g": 226,
    "b": 127
  },
  "hsl": {
    "h": 143.333,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.80794,
    "c": 0.19139,
    "h": 151.8
  },
  "luminance": 0.57015
}

Semantic roles & 50–950 ramp

primary

#40E27F

secondary

#96306E

accent

#38A8F0

background

#FCFFFC

surface

#F4FEF6

border

#CED6D0

text

#0D160F

muted

#7F8580

Preview Lab

Preview with #40E27F

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

Preview Lab → · Contrast checker → · Palette generator →