#40D37D#40D37D

#40D37D is a light, vivid green. Relative luminance 0.492; OKLCH L 77.0% C 0.174 H 153.2°. Best body text is #000000 at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#40D37D
RGB	rgb(64, 211, 125)
HSL	hsl(145, 63%, 54%)
HSV	hsv(145, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 40.8%, 17.3%)
CIE-LAB	lab(75.55, -57.58, 31.65)
CIE-LCH	lch(75.55, 65.70, 151.21°)
OKLab	oklab(76.96% -0.1553 0.0786)
OKLCH	oklch(76.96% 0.174 153.2)
XYZ	xyz(29.1077, 49.1559, 27.3521)
Luminance	0.4916 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D37D #D34096

analogous

#4DD340 #40D37D #40D3C7

triadic

#40D37D #7D40D3 #D37D40

tetradic

#40D37D #404DD3 #D34096 #D3C740

square

#40D37D #404DD3 #D34096 #D3C740

split-complementary

#40D37D #C740D3 #D3404D

monochromatic

#1D7C44 #28AE60 #40D37D #72DE9F #A3EAC1

Accessibility & contrast

On white

1.94

#40D37D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.83

#40D37D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D37D

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D37D	#FFFFFF	#000000	##000000
##40D37D	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)

#D3C277

Deuteranopia (green-blind)

#C1B583

Tritanopia (blue-blind)

#00D0BE

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #40d37d;
/* rgb */ color: rgb(64, 211, 125);
/* oklch */ color: oklch(77.0% 0.174 153.2);

Tailwind

colors: {
  custom: {
    50: '#87e2a3',
    500: '#40d37d',
    950: '#000000',
  },
}

SCSS

$custom: #40d37d;
$custom-light: #87e2a3;
$custom-dark: #000000;

JSON

{
  "hex": "#40d37d",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 125
  },
  "hsl": {
    "h": 144.898,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76958,
    "c": 0.17403,
    "h": 153.2
  },
  "luminance": 0.49159
}

Semantic roles & 50–950 ramp

primary

#40D37D

secondary

#D798BD

accent

#42A2E6

background

#F9FDFA

surface

#F1FBF4

border

#CBD4CE

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #40D37D

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

Preview Lab → · Contrast checker → · Palette generator →