#40D451#40D451

#40D451 is a light, highly saturated green. Relative luminance 0.488; OKLCH L 76.6% C 0.213 H 144.8°. Best body text is #000000 at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#40D451
RGB	rgb(64, 212, 81)
HSL	hsl(127, 63%, 54%)
HSV	hsv(127, 70%, 83%)
CMYK	cmyk(69.8%, 0%, 61.8%, 16.9%)
CIE-LAB	lab(75.31, -64.31, 52.40)
CIE-LCH	lch(75.31, 82.96, 140.82°)
OKLab	oklab(76.58% -0.1738 0.1226)
OKLCH	oklch(76.58% 0.213 144.8)
XYZ	xyz(27.1412, 48.7681, 15.7658)
Luminance	0.4877 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D451 #D440C3

analogous

#79D440 #40D451 #40D49B

triadic

#40D451 #5140D4 #D45140

tetradic

#40D451 #4079D4 #D440C3 #D49B40

square

#40D451 #4079D4 #D440C3 #D49B40

split-complementary

#40D451 #9B40D4 #D44079

monochromatic

#1C7D27 #27AF37 #40D451 #72DF7F #A4EAAC

Accessibility & contrast

On white

1.95

#40D451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.75

#40D451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D451

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D451	#FFFFFF	#000000	##000000
##40D451	1.00	1.95	10.75	10.75
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.75	21.00	1.00	1.00
##000000	10.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C142

Deuteranopia (green-blind)

#C6B55C

Tritanopia (blue-blind)

#00CFB8

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #40d451;
/* rgb */ color: rgb(64, 212, 81);
/* oklch */ color: oklch(76.6% 0.213 144.8);

Tailwind

colors: {
  custom: {
    50: '#89e286',
    500: '#40d451',
    950: '#000000',
  },
}

SCSS

$custom: #40d451;
$custom-light: #89e286;
$custom-dark: #000000;

JSON

{
  "hex": "#40d451",
  "rgb": {
    "r": 64,
    "g": 212,
    "b": 81
  },
  "hsl": {
    "h": 126.892,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.76579,
    "c": 0.21271,
    "h": 144.8
  },
  "luminance": 0.48771
}

Semantic roles & 50–950 ramp

primary

#40D451

secondary

#D798D0

accent

#42D3E6

background

#F9FEF8

surface

#F1FCF0

border

#CBD5CB

text

#0D160B

muted

#7E847C

Preview Lab

Preview with #40D451

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

Preview Lab → · Contrast checker → · Palette generator →