#40E28D#40E28D

#40E28D is a light, vivid green. Relative luminance 0.574; OKLCH L 81.0% C 0.179 H 155.3°. Best body text is #000000 at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#40E28D
RGB	rgb(64, 226, 141)
HSL	hsl(149, 74%, 57%)
HSV	hsv(149, 72%, 89%)
CMYK	cmyk(71.7%, 0%, 37.6%, 11.4%)
CIE-LAB	lab(80.41, -60.20, 29.90)
CIE-LCH	lch(80.41, 67.22, 153.59°)
OKLab	oklab(81.05% -0.1626 0.0748)
OKLCH	oklch(81.05% 0.179 155.3)
XYZ	xyz(34.1152, 57.4019, 34.4758)
Luminance	0.5741 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E28D #E24095

analogous

#44E240 #40E28D #40E2DE

triadic

#40E28D #8D40E2 #E28D40

tetradic

#40E28D #4044E2 #E24095 #E2DE40

square

#40E28D #4044E2 #E24095 #E2DE40

split-complementary

#40E28D #DE40E2 #E24044

monochromatic

#169251 #1EC76E #40E28D #75EAAD #AAF2CC

Accessibility & contrast

On white

1.68

#40E28D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.48

#40E28D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E28D

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E28D	#FFFFFF	#000000	##000000
##40E28D	1.00	1.68	12.48	12.48
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.48	21.00	1.00	1.00
##000000	12.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1D087

Deuteranopia (green-blind)

#CDC293

Tritanopia (blue-blind)

#00E0CC

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #40e28d;
/* rgb */ color: rgb(64, 226, 141);
/* oklch */ color: oklch(81.0% 0.179 155.3);

Tailwind

colors: {
  custom: {
    50: '#8aecaf',
    500: '#40e28d',
    950: '#000000',
  },
}

SCSS

$custom: #40e28d;
$custom-light: #8aecaf;
$custom-dark: #000000;

JSON

{
  "hex": "#40e28d",
  "rgb": {
    "r": 64,
    "g": 226,
    "b": 141
  },
  "hsl": {
    "h": 148.519,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.81047,
    "c": 0.17895,
    "h": 155.3
  },
  "luminance": 0.57406
}

Semantic roles & 50–950 ramp

primary

#40E28D

secondary

#963066

accent

#3898F0

background

#FCFFFD

surface

#F4FEF7

border

#CED6D0

text

#0D1610

muted

#7F8581

Preview Lab

Preview with #40E28D

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

Preview Lab → · Contrast checker → · Palette generator →