#40E38E#40E38E

#40E38E is a light, vivid green. Relative luminance 0.580; OKLCH L 81.3% C 0.179 H 155.4°. Best body text is #000000 at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#40E38E
RGB	rgb(64, 227, 142)
HSL	hsl(149, 74%, 57%)
HSV	hsv(149, 72%, 89%)
CMYK	cmyk(71.8%, 0%, 37.4%, 11%)
CIE-LAB	lab(80.73, -60.38, 29.82)
CIE-LCH	lch(80.73, 67.34, 153.72°)
OKLab	oklab(81.32% -0.1631 0.0746)
OKLCH	oklch(81.32% 0.179 155.4)
XYZ	xyz(34.4627, 57.9772, 34.9604)
Luminance	0.5798 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E38E #E34095

analogous

#44E340 #40E38E #40E3E0

triadic

#40E38E #8E40E3 #E38E40

tetradic

#40E38E #4044E3 #E34095 #E3E040

square

#40E38E #4044E3 #E34095 #E3E040

split-complementary

#40E38E #E040E3 #E34044

monochromatic

#169352 #1DC86F #40E38E #75EBAE #ABF3CD

Accessibility & contrast

On white

1.67

#40E38E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.60

#40E38E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E38E

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E38E	#FFFFFF	#000000	##000000
##40E38E	1.00	1.67	12.60	12.60
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.60	21.00	1.00	1.00
##000000	12.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2D188

Deuteranopia (green-blind)

#CEC394

Tritanopia (blue-blind)

#00E1CD

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #40e38e;
/* rgb */ color: rgb(64, 227, 142);
/* oklch */ color: oklch(81.3% 0.179 155.4);

Tailwind

colors: {
  custom: {
    50: '#8aedaf',
    500: '#40e38e',
    950: '#000000',
  },
}

SCSS

$custom: #40e38e;
$custom-light: #8aedaf;
$custom-dark: #000000;

JSON

{
  "hex": "#40e38e",
  "rgb": {
    "r": 64,
    "g": 227,
    "b": 142
  },
  "hsl": {
    "h": 148.712,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.81317,
    "c": 0.17934,
    "h": 155.4
  },
  "luminance": 0.57981
}

Semantic roles & 50–950 ramp

primary

#40E38E

secondary

#973066

accent

#3798F1

background

#FCFFFD

surface

#F4FEF7

border

#CED6D0

text

#0D1610

muted

#7F8581

Preview Lab

Preview with #40E38E

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

Preview Lab → · Contrast checker → · Palette generator →