#40D37C#40D37C

#40D37C is a light, vivid green. Relative luminance 0.491; OKLCH L 76.9% C 0.175 H 152.9°. Best body text is #000000 at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#40D37C
RGB	rgb(64, 211, 124)
HSL	hsl(144, 63%, 54%)
HSV	hsv(144, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 41.2%, 17.3%)
CIE-LAB	lab(75.53, -57.76, 32.14)
CIE-LCH	lch(75.53, 66.10, 150.91°)
OKLab	oklab(76.94% -0.1557 0.0797)
OKLCH	oklch(76.94% 0.175 152.9)
XYZ	xyz(29.0442, 49.1305, 27.0173)
Luminance	0.4913 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D37C #D34097

analogous

#4ED340 #40D37C #40D3C6

triadic

#40D37C #7C40D3 #D37C40

tetradic

#40D37C #404ED3 #D34097 #D3C640

square

#40D37C #404ED3 #D34097 #D3C640

split-complementary

#40D37C #C640D3 #D3404E

monochromatic

#1D7C44 #28AE5F #40D37C #72DE9E #A3EAC0

Accessibility & contrast

On white

1.94

#40D37C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.83

#40D37C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D37C

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D37C	#FFFFFF	#000000	##000000
##40D37C	1.00	1.94	10.83	10.83
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.83	21.00	1.00	1.00
##000000	10.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3C276

Deuteranopia (green-blind)

#C1B582

Tritanopia (blue-blind)

#00D0BD

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #40d37c;
/* rgb */ color: rgb(64, 211, 124);
/* oklch */ color: oklch(76.9% 0.175 152.9);

Tailwind

colors: {
  custom: {
    50: '#87e2a3',
    500: '#40d37c',
    950: '#000000',
  },
}

SCSS

$custom: #40d37c;
$custom-light: #87e2a3;
$custom-dark: #000000;

JSON

{
  "hex": "#40d37c",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 124
  },
  "hsl": {
    "h": 144.49,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.7694,
    "c": 0.17494,
    "h": 152.9
  },
  "luminance": 0.49134
}

Semantic roles & 50–950 ramp

primary

#40D37C

secondary

#D798BD

accent

#42A3E6

background

#F9FDFA

surface

#F1FBF4

border

#CBD4CE

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #40D37C

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

Preview Lab → · Contrast checker → · Palette generator →