#40DF57#40DF57

#40DF57 is a light, highly saturated green. Relative luminance 0.546; OKLCH L 79.5% C 0.221 H 145.3°. Best body text is #000000 at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#40DF57
RGB	rgb(64, 223, 87)
HSL	hsl(129, 71%, 56%)
HSV	hsv(129, 71%, 87%)
CMYK	cmyk(71.3%, 0%, 61%, 12.5%)
CIE-LAB	lab(78.78, -67.28, 53.75)
CIE-LCH	lch(78.78, 86.11, 141.38°)
OKLab	oklab(79.48% -0.1817 0.126)
OKLCH	oklch(79.48% 0.221 145.3)
XYZ	xyz(30.2203, 54.5501, 17.9515)
Luminance	0.5455 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DF57 #DF40C8

analogous

#79DF40 #40DF57 #40DFA7

triadic

#40DF57 #5740DF #DF5740

tetradic

#40DF57 #4079DF #DF40C8 #DFA740

square

#40DF57 #4079DF #DF40C8 #DFA740

split-complementary

#40DF57 #A740DF #DF4079

monochromatic

#188D29 #20C138 #40DF57 #74E885 #A9F1B3

Accessibility & contrast

On white

1.76

#40DF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.91

#40DF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DF57

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DF57	#FFFFFF	#000000	##000000
##40DF57	1.00	1.76	11.91	11.91
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.91	21.00	1.00	1.00
##000000	11.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CB48

Deuteranopia (green-blind)

#D0BE62

Tritanopia (blue-blind)

#00D9C2

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #40df57;
/* rgb */ color: rgb(64, 223, 87);
/* oklch */ color: oklch(79.5% 0.221 145.3);

Tailwind

colors: {
  custom: {
    50: '#8bea8b',
    500: '#40df57',
    950: '#000000',
  },
}

SCSS

$custom: #40df57;
$custom-light: #8bea8b;
$custom-dark: #000000;

JSON

{
  "hex": "#40df57",
  "rgb": {
    "r": 64,
    "g": 223,
    "b": 87
  },
  "hsl": {
    "h": 128.679,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.79476,
    "c": 0.22109,
    "h": 145.3
  },
  "luminance": 0.54553
}

Semantic roles & 50–950 ramp

primary

#40DF57

secondary

#923184

accent

#3AD4EE

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #40DF57

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

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