#40D378#40D378

#40D378 is a light, vivid green. Relative luminance 0.490; OKLCH L 76.9% C 0.179 H 151.9°. Best body text is #000000 at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#40D378
RGB	rgb(64, 211, 120)
HSL	hsl(143, 63%, 54%)
HSV	hsv(143, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 43.1%, 17.3%)
CIE-LAB	lab(75.47, -58.45, 34.09)
CIE-LCH	lch(75.47, 67.67, 149.75°)
OKLab	oklab(76.87% -0.1575 0.0841)
OKLCH	oklch(76.87% 0.179 151.9)
XYZ	xyz(28.7963, 49.0314, 25.7120)
Luminance	0.4904 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D378 #D3409B

analogous

#52D340 #40D378 #40D3C2

triadic

#40D378 #7840D3 #D37840

tetradic

#40D378 #4052D3 #D3409B #D3C240

square

#40D378 #4052D3 #D3409B #D3C240

split-complementary

#40D378 #C240D3 #D34052

monochromatic

#1D7C41 #28AE5B #40D378 #72DE9B #A3EABE

Accessibility & contrast

On white

1.94

#40D378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.81

#40D378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D378

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D378	#FFFFFF	#000000	##000000
##40D378	1.00	1.94	10.81	10.81
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.81	21.00	1.00	1.00
##000000	10.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C271

Deuteranopia (green-blind)

#C2B57E

Tritanopia (blue-blind)

#00D0BD

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #40d378;
/* rgb */ color: rgb(64, 211, 120);
/* oklch */ color: oklch(76.9% 0.179 151.9);

Tailwind

colors: {
  custom: {
    50: '#87e2a0',
    500: '#40d378',
    950: '#000000',
  },
}

SCSS

$custom: #40d378;
$custom-light: #87e2a0;
$custom-dark: #000000;

JSON

{
  "hex": "#40d378",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 120
  },
  "hsl": {
    "h": 142.857,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76869,
    "c": 0.17856,
    "h": 151.9
  },
  "luminance": 0.49035
}

Semantic roles & 50–950 ramp

primary

#40D378

secondary

#D798BF

accent

#42A7E6

background

#F9FDF9

surface

#F1FBF2

border

#CBD4CC

text

#0D150F

muted

#7E837E

Preview Lab

Preview with #40D378

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

Preview Lab → · Contrast checker → · Palette generator →