#40DD57#40DD57

#40DD57 is a light, highly saturated green. Relative luminance 0.535; OKLCH L 79.0% C 0.219 H 145.3°. Best body text is #000000 at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#40DD57
RGB	rgb(64, 221, 87)
HSL	hsl(129, 70%, 56%)
HSV	hsv(129, 71%, 87%)
CMYK	cmyk(71%, 0%, 60.6%, 13.3%)
CIE-LAB	lab(78.16, -66.62, 53.04)
CIE-LCH	lch(78.16, 85.16, 141.47°)
OKLab	oklab(78.96% -0.1799 0.1245)
OKLCH	oklch(78.96% 0.219 145.3)
XYZ	xyz(29.6891, 53.4877, 17.7745)
Luminance	0.5349 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DD57 #DD40C6

analogous

#77DD40 #40DD57 #40DDA5

triadic

#40DD57 #5740DD #DD5740

tetradic

#40DD57 #4077DD #DD40C6 #DDA540

square

#40DD57 #4077DD #DD40C6 #DDA540

split-complementary

#40DD57 #A540DD #DD4077

monochromatic

#198A29 #22BE39 #40DD57 #74E685 #A8EFB2

Accessibility & contrast

On white

1.80

#40DD57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.70

#40DD57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DD57

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DD57	#FFFFFF	#000000	##000000
##40DD57	1.00	1.80	11.70	11.70
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.70	21.00	1.00	1.00
##000000	11.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C948

Deuteranopia (green-blind)

#CEBC62

Tritanopia (blue-blind)

#00D7C0

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #40dd57;
/* rgb */ color: rgb(64, 221, 87);
/* oklch */ color: oklch(79.0% 0.219 145.3);

Tailwind

colors: {
  custom: {
    50: '#8ae98b',
    500: '#40dd57',
    950: '#000000',
  },
}

SCSS

$custom: #40dd57;
$custom-light: #8ae98b;
$custom-dark: #000000;

JSON

{
  "hex": "#40dd57",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 87
  },
  "hsl": {
    "h": 128.79,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.78963,
    "c": 0.21875,
    "h": 145.3
  },
  "luminance": 0.53491
}

Semantic roles & 50–950 ramp

primary

#40DD57

secondary

#903182

accent

#3BD3ED

background

#FCFEFC

surface

#F4FDF4

border

#CED5CE

text

#0D160C

muted

#7F847F

Preview Lab

Preview with #40DD57

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

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