#40C871#40C871

#40C871 is a light, vivid green. Relative luminance 0.436; OKLCH L 73.9% C 0.171 H 151.4°. Best body text is #000000 at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#40C871
RGB	rgb(64, 200, 113)
HSL	hsl(142, 55%, 52%)
HSV	hsv(142, 68%, 78%)
CMYK	cmyk(68%, 0%, 43.5%, 21.6%)
CIE-LAB	lab(71.95, -55.59, 33.09)
CIE-LCH	lch(71.95, 64.69, 149.23°)
OKLab	oklab(73.93% -0.1498 0.0816)
OKLCH	oklch(73.93% 0.171 151.4)
XYZ	xyz(25.7471, 43.5880, 22.6760)
Luminance	0.4359 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C871 #C84097

analogous

#53C840 #40C871 #40C8B5

triadic

#40C871 #7140C8 #C87140

tetradic

#40C871 #4053C8 #C84097 #C8B540

square

#40C871 #4053C8 #C84097 #C8B540

split-complementary

#40C871 #B540C8 #C84053

monochromatic

#206E3C #2D9D56 #40C871 #70D694 #9FE3B8

Accessibility & contrast

On white

2.16

#40C871 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.72

#40C871 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C871

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C871	#FFFFFF	#000000	##000000
##40C871	1.00	2.16	9.72	9.72
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.72	21.00	1.00	1.00
##000000	9.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B76B

Deuteranopia (green-blind)

#B8AC77

Tritanopia (blue-blind)

#00C5B3

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #40c871;
/* rgb */ color: rgb(64, 200, 113);
/* oklch */ color: oklch(73.9% 0.171 151.4);

Tailwind

colors: {
  custom: {
    50: '#85da9b',
    500: '#40c871',
    950: '#000000',
  },
}

SCSS

$custom: #40c871;
$custom-light: #85da9b;
$custom-dark: #000000;

JSON

{
  "hex": "#40c871",
  "rgb": {
    "r": 64,
    "g": 200,
    "b": 113
  },
  "hsl": {
    "h": 141.618,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.73932,
    "c": 0.17062,
    "h": 151.4
  },
  "luminance": 0.43591
}

Semantic roles & 50–950 ramp

primary

#40C871

secondary

#D094BA

accent

#49A9DF

background

#F8FDF9

surface

#F0FBF2

border

#CBD4CC

text

#0C150E

muted

#7D837E

Preview Lab

Preview with #40C871

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

Preview Lab → · Contrast checker → · Palette generator →