#40E28E#40E28E

#40E28E is a light, vivid green. Relative luminance 0.574; OKLCH L 81.1% C 0.178 H 155.6°. Best body text is #000000 at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#40E28E
RGB	rgb(64, 226, 142)
HSL	hsl(149, 74%, 57%)
HSV	hsv(149, 72%, 89%)
CMYK	cmyk(71.7%, 0%, 37.2%, 11.4%)
CIE-LAB	lab(80.42, -60.02, 29.41)
CIE-LCH	lch(80.42, 66.83, 153.89°)
OKLab	oklab(81.07% -0.1621 0.0736)
OKLCH	oklch(81.07% 0.178 155.6)
XYZ	xyz(34.1900, 57.4318, 34.8695)
Luminance	0.5744 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E28E #E24094

analogous

#43E240 #40E28E #40E2DF

triadic

#40E28E #8E40E2 #E28E40

tetradic

#40E28E #4043E2 #E24094 #E2DF40

square

#40E28E #4043E2 #E24094 #E2DF40

split-complementary

#40E28E #DF40E2 #E24043

monochromatic

#169252 #1EC76F #40E28E #75EAAD #AAF2CD

Accessibility & contrast

On white

1.68

#40E28E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.49

#40E28E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E28E

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E28E	#FFFFFF	#000000	##000000
##40E28E	1.00	1.68	12.49	12.49
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.49	21.00	1.00	1.00
##000000	12.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1D088

Deuteranopia (green-blind)

#CDC294

Tritanopia (blue-blind)

#00E0CD

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #40e28e;
/* rgb */ color: rgb(64, 226, 142);
/* oklch */ color: oklch(81.1% 0.178 155.6);

Tailwind

colors: {
  custom: {
    50: '#8aecaf',
    500: '#40e28e',
    950: '#000000',
  },
}

SCSS

$custom: #40e28e;
$custom-light: #8aecaf;
$custom-dark: #000000;

JSON

{
  "hex": "#40e28e",
  "rgb": {
    "r": 64,
    "g": 226,
    "b": 142
  },
  "hsl": {
    "h": 148.889,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.81066,
    "c": 0.17808,
    "h": 155.6
  },
  "luminance": 0.57436
}

Semantic roles & 50–950 ramp

primary

#40E28E

secondary

#963065

accent

#3897F0

background

#FCFFFD

surface

#F4FEF7

border

#CED6D0

text

#0D1610

muted

#7F8581

Preview Lab

Preview with #40E28E

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

Preview Lab → · Contrast checker → · Palette generator →