#40D571#40D571

#40D571 is a light, vivid green. Relative luminance 0.499; OKLCH L 77.3% C 0.187 H 150.1°. Best body text is #000000 at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#40D571
RGB	rgb(64, 213, 113)
HSL	hsl(140, 64%, 54%)
HSV	hsv(140, 70%, 84%)
CMYK	cmyk(70%, 0%, 46.9%, 16.5%)
CIE-LAB	lab(75.99, -60.33, 38.25)
CIE-LCH	lch(75.99, 71.44, 147.62°)
OKLab	oklab(77.26% -0.1624 0.0935)
OKLCH	oklch(77.26% 0.187 150.1)
XYZ	xyz(28.8869, 49.8675, 23.7226)
Luminance	0.4987 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D571 #D540A4

analogous

#5AD540 #40D571 #40D5BC

triadic

#40D571 #7140D5 #D57140

tetradic

#40D571 #405AD5 #D540A4 #D5BC40

square

#40D571 #405AD5 #D540A4 #D5BC40

split-complementary

#40D571 #BC40D5 #D5405A

monochromatic

#1C7F3C #27B154 #40D571 #72E096 #A4EBBC

Accessibility & contrast

On white

1.91

#40D571 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.97

#40D571 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D571

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D571	#FFFFFF	#000000	##000000
##40D571	1.00	1.91	10.97	10.97
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.97	21.00	1.00	1.00
##000000	10.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C369

Deuteranopia (green-blind)

#C4B678

Tritanopia (blue-blind)

#00D1BD

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #40d571;
/* rgb */ color: rgb(64, 213, 113);
/* oklch */ color: oklch(77.3% 0.187 150.1);

Tailwind

colors: {
  custom: {
    50: '#88e39b',
    500: '#40d571',
    950: '#000000',
  },
}

SCSS

$custom: #40d571;
$custom-light: #88e39b;
$custom-dark: #000000;

JSON

{
  "hex": "#40d571",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 113
  },
  "hsl": {
    "h": 139.732,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.77263,
    "c": 0.1874,
    "h": 150.1
  },
  "luminance": 0.49871
}

Semantic roles & 50–950 ramp

primary

#40D571

secondary

#D899C3

accent

#41B0E7

background

#F9FEF9

surface

#F1FCF2

border

#CBD5CC

text

#0D160E

muted

#7E847E

Preview Lab

Preview with #40D571

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

Preview Lab → · Contrast checker → · Palette generator →