#40C571#40C571

#40C571 is a light, vivid green. Relative luminance 0.422; OKLCH L 73.2% C 0.167 H 151.8°. Best body text is #000000 at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#40C571
RGB	rgb(64, 197, 113)
HSL	hsl(142, 53%, 51%)
HSV	hsv(142, 68%, 77%)
CMYK	cmyk(67.5%, 0%, 42.6%, 22.7%)
CIE-LAB	lab(71.02, -54.46, 31.88)
CIE-LCH	lch(71.02, 63.11, 149.66°)
OKLab	oklab(73.16% -0.1469 0.0788)
OKLCH	oklch(73.16% 0.167 151.8)
XYZ	xyz(25.0592, 42.2120, 22.4467)
Luminance	0.4222 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C571 #C54094

analogous

#51C540 #40C571 #40C5B3

triadic

#40C571 #7140C5 #C57140

tetradic

#40C571 #4051C5 #C54094 #C5B340

square

#40C571 #4051C5 #C54094 #C5B340

split-complementary

#40C571 #B340C5 #C54051

monochromatic

#206A3C #2F9956 #40C571 #6FD394 #9EE2B7

Accessibility & contrast

On white

2.22

#40C571 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.44

#40C571 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C571

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C571	#FFFFFF	#000000	##000000
##40C571	1.00	2.22	9.44	9.44
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.44	21.00	1.00	1.00
##000000	9.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B56B

Deuteranopia (green-blind)

#B5A977

Tritanopia (blue-blind)

#00C2B0

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40c571;
/* rgb */ color: rgb(64, 197, 113);
/* oklch */ color: oklch(73.2% 0.167 151.8);

Tailwind

colors: {
  custom: {
    50: '#85d89b',
    500: '#40c571',
    950: '#000000',
  },
}

SCSS

$custom: #40c571;
$custom-light: #85d89b;
$custom-dark: #000000;

JSON

{
  "hex": "#40c571",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 113
  },
  "hsl": {
    "h": 142.105,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.73161,
    "c": 0.16667,
    "h": 151.8
  },
  "luminance": 0.42215
}

Semantic roles & 50–950 ramp

primary

#40C571

secondary

#CE93B8

accent

#4BA7DD

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C150E

muted

#7D837E

Preview Lab

Preview with #40C571

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

Preview Lab → · Contrast checker → · Palette generator →