#40E58E#40E58E

#40E58E is a light, vivid green. Relative luminance 0.591; OKLCH L 81.8% C 0.182 H 155.1°. Best body text is #000000 at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#40E58E
RGB	rgb(64, 229, 142)
HSL	hsl(148, 76%, 57%)
HSV	hsv(148, 72%, 90%)
CMYK	cmyk(72.1%, 0%, 38%, 10.2%)
CIE-LAB	lab(81.33, -61.12, 30.63)
CIE-LCH	lch(81.33, 68.36, 153.38°)
OKLab	oklab(81.82% -0.165 0.0765)
OKLCH	oklch(81.82% 0.182 155.1)
XYZ	xyz(35.0129, 59.0776, 35.1438)
Luminance	0.5908 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E58E #E54097

analogous

#44E540 #40E58E #40E5E1

triadic

#40E58E #8E40E5 #E58E40

tetradic

#40E58E #4044E5 #E54097 #E5E140

square

#40E58E #4044E5 #E54097 #E5E140

split-complementary

#40E58E #E140E5 #E54044

monochromatic

#149652 #1CCC6F #40E58E #76ECAE #ACF4CE

Accessibility & contrast

On white

1.64

#40E58E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.82

#40E58E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E58E

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E58E	#FFFFFF	#000000	##000000
##40E58E	1.00	1.64	12.82	12.82
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.82	21.00	1.00	1.00
##000000	12.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4D388

Deuteranopia (green-blind)

#D0C494

Tritanopia (blue-blind)

#00E3CF

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #40e58e;
/* rgb */ color: rgb(64, 229, 142);
/* oklch */ color: oklch(81.8% 0.182 155.1);

Tailwind

colors: {
  custom: {
    50: '#8aeeaf',
    500: '#40e58e',
    950: '#000000',
  },
}

SCSS

$custom: #40e58e;
$custom-light: #8aeeaf;
$custom-dark: #000000;

JSON

{
  "hex": "#40e58e",
  "rgb": {
    "r": 64,
    "g": 229,
    "b": 142
  },
  "hsl": {
    "h": 148.364,
    "s": 76.037,
    "l": 57.451
  },
  "oklch": {
    "l": 0.81818,
    "c": 0.18188,
    "h": 155.1
  },
  "luminance": 0.59082
}

Semantic roles & 50–950 ramp

primary

#40E58E

secondary

#9A2F68

accent

#3599F3

background

#FCFFFD

surface

#F4FEF7

border

#CED6D0

text

#0D1610

muted

#7F8581

Preview Lab

Preview with #40E58E

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

Preview Lab → · Contrast checker → · Palette generator →