#40D357#40D357

#40D357 is a light, highly saturated green. Relative luminance 0.484; OKLCH L 76.4% C 0.207 H 145.6°. Best body text is #000000 at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#40D357
RGB	rgb(64, 211, 87)
HSL	hsl(129, 63%, 54%)
HSV	hsv(129, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 58.8%, 17.3%)
CIE-LAB	lab(75.05, -63.27, 49.46)
CIE-LCH	lch(75.05, 80.31, 141.98°)
OKLab	oklab(76.39% -0.1708 0.1168)
OKLCH	oklch(76.39% 0.207 145.6)
XYZ	xyz(27.1271, 48.3637, 16.9205)
Luminance	0.4837 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D357 #D340BC

analogous

#73D340 #40D357 #40D3A1

triadic

#40D357 #5740D3 #D35740

tetradic

#40D357 #4073D3 #D340BC #D3A140

square

#40D357 #4073D3 #D340BC #D3A140

split-complementary

#40D357 #A140D3 #D34073

monochromatic

#1D7C2C #28AE3D #40D357 #72DE83 #A3EAAF

Accessibility & contrast

On white

1.97

#40D357 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.67

#40D357 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D357

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D357	#FFFFFF	#000000	##000000
##40D357	1.00	1.97	10.67	10.67
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.67	21.00	1.00	1.00
##000000	10.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C04A

Deuteranopia (green-blind)

#C5B461

Tritanopia (blue-blind)

#00CEB8

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #40d357;
/* rgb */ color: rgb(64, 211, 87);
/* oklch */ color: oklch(76.4% 0.207 145.6);

Tailwind

colors: {
  custom: {
    50: '#88e28a',
    500: '#40d357',
    950: '#000000',
  },
}

SCSS

$custom: #40d357;
$custom-light: #88e28a;
$custom-dark: #000000;

JSON

{
  "hex": "#40d357",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 87
  },
  "hsl": {
    "h": 129.388,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76389,
    "c": 0.20692,
    "h": 145.6
  },
  "luminance": 0.48367
}

Semantic roles & 50–950 ramp

primary

#40D357

secondary

#D798CD

accent

#42CCE6

background

#F9FEF8

surface

#F1FCF0

border

#CBD5CB

text

#0D150C

muted

#7E847D

Preview Lab

Preview with #40D357

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

Preview Lab → · Contrast checker → · Palette generator →