#40D857#40D857

#40D857 is a light, highly saturated green. Relative luminance 0.509; OKLCH L 77.7% C 0.213 H 145.5°. Best body text is #000000 at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#40D857
RGB	rgb(64, 216, 87)
HSL	hsl(129, 66%, 55%)
HSV	hsv(129, 70%, 85%)
CMYK	cmyk(70.4%, 0%, 59.7%, 15.3%)
CIE-LAB	lab(76.61, -64.96, 51.26)
CIE-LCH	lch(76.61, 82.75, 141.72°)
OKLab	oklab(77.68% -0.1754 0.1207)
OKLCH	oklch(77.68% 0.213 145.5)
XYZ	xyz(28.3886, 50.8867, 17.3410)
Luminance	0.5089 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D857 #D840C1

analogous

#75D840 #40D857 #40D8A3

triadic

#40D857 #5740D8 #D85740

tetradic

#40D857 #4075D8 #D840C1 #D8A340

square

#40D857 #4075D8 #D840C1 #D8A340

split-complementary

#40D857 #A340D8 #D84075

monochromatic

#1B832A #25B63B #40D857 #73E284 #A6EDB0

Accessibility & contrast

On white

1.88

#40D857 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.18

#40D857 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D857

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D857	#FFFFFF	#000000	##000000
##40D857	1.00	1.88	11.18	11.18
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.18	21.00	1.00	1.00
##000000	11.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC549

Deuteranopia (green-blind)

#CAB862

Tritanopia (blue-blind)

#00D3BC

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #40d857;
/* rgb */ color: rgb(64, 216, 87);
/* oklch */ color: oklch(77.7% 0.213 145.5);

Tailwind

colors: {
  custom: {
    50: '#89e58a',
    500: '#40d857',
    950: '#000000',
  },
}

SCSS

$custom: #40d857;
$custom-light: #89e58a;
$custom-dark: #000000;

JSON

{
  "hex": "#40d857",
  "rgb": {
    "r": 64,
    "g": 216,
    "b": 87
  },
  "hsl": {
    "h": 129.079,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.77677,
    "c": 0.21288,
    "h": 145.5
  },
  "luminance": 0.5089
}

Semantic roles & 50–950 ramp

primary

#40D857

secondary

#8A337C

accent

#3FCFE9

background

#FCFEFC

surface

#F4FCF4

border

#CED5CE

text

#0D160C

muted

#7F847F

Preview Lab

Preview with #40D857

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

Preview Lab → · Contrast checker → · Palette generator →