#40D351#40D351

#40D351 is a light, highly saturated green. Relative luminance 0.483; OKLCH L 76.3% C 0.212 H 144.8°. Best body text is #000000 at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#40D351
RGB	rgb(64, 211, 81)
HSL	hsl(127, 63%, 54%)
HSV	hsv(127, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 61.6%, 17.3%)
CIE-LAB	lab(74.99, -63.97, 52.05)
CIE-LCH	lch(74.99, 82.47, 140.87°)
OKLab	oklab(76.32% -0.1729 0.1218)
OKLCH	oklch(76.32% 0.212 144.8)
XYZ	xyz(26.8920, 48.2697, 15.6827)
Luminance	0.4827 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D351 #D340C2

analogous

#79D340 #40D351 #40D39B

triadic

#40D351 #5140D3 #D35140

tetradic

#40D351 #4079D3 #D340C2 #D39B40

square

#40D351 #4079D3 #D340C2 #D39B40

split-complementary

#40D351 #9B40D3 #D34079

monochromatic

#1D7C28 #28AE37 #40D351 #72DE7E #A3EAAC

Accessibility & contrast

On white

1.97

#40D351 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.65

#40D351 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D351

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D351	#FFFFFF	#000000	##000000
##40D351	1.00	1.97	10.65	10.65
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.65	21.00	1.00	1.00
##000000	10.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C042

Deuteranopia (green-blind)

#C5B45C

Tritanopia (blue-blind)

#00CEB7

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #40d351;
/* rgb */ color: rgb(64, 211, 81);
/* oklch */ color: oklch(76.3% 0.212 144.8);

Tailwind

colors: {
  custom: {
    50: '#88e286',
    500: '#40d351',
    950: '#000000',
  },
}

SCSS

$custom: #40d351;
$custom-light: #88e286;
$custom-dark: #000000;

JSON

{
  "hex": "#40d351",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 81
  },
  "hsl": {
    "h": 126.939,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76321,
    "c": 0.21154,
    "h": 144.8
  },
  "luminance": 0.48273
}

Semantic roles & 50–950 ramp

primary

#40D351

secondary

#D798D0

accent

#42D3E6

background

#F9FEF8

surface

#F1FCF0

border

#CBD5CB

text

#0D150B

muted

#7E847C

Preview Lab

Preview with #40D351

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

Preview Lab → · Contrast checker → · Palette generator →